Sync jra55 data mode with upstream

[anton-seaice]

This change combines the jra55do datamode with the upstream version - to keep it in sync with upstream changes, like ESCOMP#376

Results are BRB - see ACCESS-NRI/access-om3-configs#1165 (comment)

[anton-seaice]

If a stream is missing:

20260226 115023.005 ERROR            PET000 (datm_init_pointers): ERROR: strm_Faxa_prec or (strm_Faxa_prrn and strm_Faxa_prsn)must be associated for jra datamore
20260226 115023.005 ERROR            PET000 datm_datamode_jra_mod.F90:215 Failure  - Passing error in return code
20260226 115023.005 ERROR            PET000 atm_comp_nuopc.F90:671 Failure  - Passing error in return code
20260226 115023.005 ERROR            PET000 atm_comp_nuopc.F90:504 Failure  - Passing error in return code
20260226 115023.005 ERROR            PET000 ESM0001:src/addon/NUOPC/src/NUOPC_Driver.F90:2902 Failure  - Phase 'IPDv01p3' Initialize for modelComp 2: ATM did not return ESMF_SUCCESS
20260226 115023.005 ERROR            PET000 ESM0001:src/addon/NUOPC/src/NUOPC_Driver.F90:1985 Failure  - Passing error in return code
20260226 115023.005 ERROR            PET000 ensemble:src/addon/NUOPC/src/NUOPC_Driver.F90:2902 Failure  - Phase 'IPDv02p3' Initialize for modelComp 1: ESM0001 did not return ESMF_SUCCESS
20260226 115023.005 ERROR            PET000 ensemble:src/addon/NUOPC/src/NUOPC_Driver.F90:1990 Failure  - Passing error in return code
20260226 115023.005 ERROR            PET000 ensemble:src/addon/NUOPC/src/NUOPC_Driver.F90:489 Failure  - Passing error in return code
20260226 115023.005 ERROR            PET000 esmApp.F90:134 Failure  - Passing error in return code
20260226 115023.005 INFO             PET000  Finalizing ESMF with endflag==ESMF_END_ABORT

[dougiesquire]

Thanks @anton-seaice - looks great

[ezhilsabareesh8]

Thanks @anton-seaice. LGTM