Add "areatotal2" to MISC_VARS for subsetting

Author: tomvothecoder

e3sm_diags/driver/utils/dataset_xr.py

@@ -46,7 +46,7 @@
 
 # Additional variables to keep when subsetting.
 HYBRID_VAR_KEYS = set(list(sum(HYBRID_SIGMA_KEYS.values(), ())))
-MISC_VARS = ["area"]
+MISC_VARS = ["area", "areatotal2"]
 
 
 def squeeze_time_dim(ds: xr.Dataset) -> xr.Dataset: