Are we supporting an f19_t232 resolution in the CTSM 5.4 tag?

Using branch_tags/CMIP7_ciso.n01.alpha-ctsm5.4.CMIP7.11.ctsm5.3.075

I cannot create an I-case with an f19-t232 resolution. Should this be supported, or are we using the g17 mask instead?
```
./create_newcase --case /glade/work/wwieder/ctsm5.4.0/ctsm5.4.CMIP7_ciso_ctsm5.3.075_f19_125_HIST --compset HIST_DATM%CRUJRA2024_CLM60%BGC_SICE_SOCN_MOSART_SGLC_SWAV_SESP --res f19_t232 --run-unsupported
Did not find an alias or longname compset match for HIST_DATM%CRUJRA2024_CLM60%BGC_SICE_SOCN_MOSART_SGLC_SWAV_SESP
ERROR: no alias f19_t232 defined
```

but using the the old ocean mask works
```
./create_newcase --case /glade/work/wwieder/ctsm5.4.0/ctsm5.4.CMIP7_ciso_ctsm5.3.075_f19_125_HIST --compset HIST_DATM%CRUJRA2024_CLM60%BGC_SICE_SOCN_MOSART_SGLC_SWAV_SESP --res f19_g17 --run-unsupported
```

@linniahawkins & @djk2120 I'm assuming you want the g17 ocean mask for consistency other PPE work?
@slevis-lmwg & @ekluzek I think most of our other defaults are moving towards the t232 mask, should we also do this for 2 degree FV grids, or it in not worth supporting?