Bugfix for emission files in LTso and MTso

There was a bug in the emission files identified by Isla. (This is discussed in more details in https://github.com/NCAR/cesm_dev/issues/398).

WE should use for MTso and LTso (pi and hist) the list below:
```
ext_frc_specifier = 'bc_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/bc_a4-em-AIR-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'num_a4 -> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260911/num_bc_a4-em-AIR-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260911.nc',
'SO2 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/SO2-em-AIR-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'so4_a1 -> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/so4_a1_ene_vertical-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'num_a1 -> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/num_so4_a1_ene_vertical-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'num_a1 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/historical_ne30pg3/[emissions-cmip6_num_a1_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc](http://emissions-cmip6_num_a1_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc/)',
'num_a2 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/historical_ne30pg3/[emissions-cmip6_num_a2_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc](http://emissions-cmip6_num_a2_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc/)',
'so4_a1 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/historical_ne30pg3/[emissions-cmip6_so4_a1_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc](http://emissions-cmip6_so4_a1_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc/)',
'so4_a2 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/historical_ne30pg3/[emissions-cmip6_so4_a2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc](http://emissions-cmip6_so4_a2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc/)',
'SO2 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_SO2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc'

srf_emis_specifier = 'bc_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/bc_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'bc_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/bc_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'pom_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/pom_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'pom_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/pom_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'num_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_bc_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'num_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/num_bc_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'num_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_pom_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'num_a4 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/num_pom_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'num_a1-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/num_so4_a1_ag_sol_was-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'num_a1-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/num_so4_a1_shp-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'num_a2-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/num_so4_a2_res_trs-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'so4_a1-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/so4_a1_ag_sol_was-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'so4_a1-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/so4_a1_shp-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'so4_a2-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20260826/so4_a2_res_trs-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20260826.nc',
'so4_a1-> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/SO4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'num_a1-> /glade/campaign/acom/MUSICA/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20260831/num_SO4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20260831.nc',
'SO2 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/SO2-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'SO2 -> /glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/SO2_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'SOAE -> 0.5954D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/ISOP_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'SOAE -> 2.5592D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/BENZENE_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'SOAE -> 2.5592D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/BENZENE-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
'SOAE -> 8.5371D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251118/IVOC_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251118.nc',
'SOAE -> 8.5371D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/IVOC-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'SOAE -> 16.650D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/SVOC_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'SOAE -> 16.650D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/SVOC-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
'SOAE -> 8.2367D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/TOLUENE_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'SOAE -> 8.2367D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/TOLUENE-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
'SOAE -> 6.5013D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/XYLENES_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
'SOAE -> 6.5013D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/XYLENES-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
'SOAE -> 5.1004D0*/glade/campaign/cesm/cesmdata/inputdata/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/MTERP_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc'
```