Fix KeyError issue in ocean/ice postprocessing job. (NOAA-EMC#2398)

The jjob for ocean and ice pp, only defines the component specific
history and grib directory. This causes an error in the exscript trying
to pull keys for both ocean and ice. Fix this. Surprised this has not
caused failures before today

Co-authored-by: David Huber <69919478+DavidHuber-NOAA@users.noreply.github.com>

scripts/exglobal_oceanice_products.py

@@ -19,8 +19,7 @@ def main():
 
     # Pull out all the configuration keys needed to run the rest of steps
     keys = ['HOMEgfs', 'DATA', 'current_cycle', 'RUN', 'NET',
-            'COM_OCEAN_HISTORY', 'COM_OCEAN_GRIB',
-            'COM_ICE_HISTORY', 'COM_ICE_GRIB',
+            f'COM_{oceanice.task_config.component.upper()}_HISTORY', f'COM_{oceanice.task_config.component.upper()}_GRIB'
             'APRUN_OCNICEPOST',
             'component', 'forecast_hour', 'valid_datetime', 'avg_period',
             'model_grid', 'product_grids', 'oceanice_yaml']