Restore setting State_Diag%Archive_Metrics deleted in a recent commit

This was erroneously deleted as part of cleaning up duplicate code in
state_diag_mod yesterday. Setting Archive_Metrics was not a duplicate.

Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>

Headers/state_diag_mod.F90

@@ -8249,6 +8249,17 @@ SUBROUTINE Init_State_Diag( Input_Opt, State_Chm,       State_Grid,        &
                                       State_Diag%Archive_RadAsymWL2    .or. &
                                       State_Diag%Archive_RadAsymWL3        )
 
+    State_Diag%Archive_Metrics = (                                           &
+         State_Diag%Archive_AirMassColumnFull                           .or. &
+         State_Diag%Archive_AirMassColumnTrop                           .or. &
+         State_Diag%Archive_CH4emission                                 .or. &
+         State_Diag%Archive_CH4massColumnFull                           .or. &
+         State_Diag%Archive_CH4massColumnTrop                           .or. &
+         State_Diag%Archive_LossOHbyCH4columnTrop                       .or. &
+         State_Diag%Archive_LossOHbyMCFcolumnTrop                       .or. &
+         State_Diag%Archive_OHwgtByAirMassColumnFull                    .or. &
+         State_Diag%Archive_OHwgtByAirMassColumnTrop                        )
+
     !========================================================================
     ! Work array used to to calculate budget diagnostics, if needed
     ! 4th dimension is column region: Full, Trop, PBL respectively