Setup ndep, aerosols, and CO2 for CRUJRA -- the gap year between 2014-2023

### Brief summary of bug

Running historical cases with ctsm5.3.041 I've noticed a few things should be improved to make sure cases are set up out of the box.

### General bug information

- [ ] HIST compsets have co2 streams that end in 2014 but CRUJRA goes through 2023 manually using the following in user_nl_datm_streams
```
co2tseries.20tr:year_last = 2023
co2tseries.20tr:datafiles = /glade/campaign/cesm/cesmdata/inputdata/atm/datm7/CO2/fco2_datm_globalSSP3-7.0_simyr_1750-2501_CMIP6_c201101.nc
```
- [ ] manually setting `ndep_taxmode = 'extend'` in user_nl_clm, but this should also be setting to correct file and year_last
```
presndep.hist:datafiles = /glade/campaign/cesm/cesmdata/inputdata/lnd/clm2/ndepdata/fndep_clm_SSP370_b.e21.BWSSP370cmip6.f09_g17.CMIP6-SSP3-7.0-WACCM.002_1849-2101_monthly_0.9x1.25_c211216.nc
presndep.hist:year_last = 2023
```
- [ ] Do we need to also think about the handling of Aerosols
- [ ] Population density is handled with new CMIP7 data, already on the 5.4 tag?
- [ ] What else?
- [ ] #3257 is another default that could be addressed here, though is it MORE URGENT than the rest in this list?
- [ ] PE layout could be improved? ne30 case requests 13 nodes and 16 tasks and only getting 55 y/day in historical cases. This PE layout is the same as a f19 HIST case
- [ ] For more [see card ](https://github.com/orgs/ESCOMP/projects/46/views/1?pane=issue&itemId=112950697)in Upcoming Tags