Move flash merging threshold to the right location for SBND configs

Author: francois-drielsma

config/sbnd/sbnd_full_chain_250328.cfg

@@ -489,10 +489,10 @@ post:
     alpha: 0.21 # Light yield calculation - https://arxiv.org/pdf/1909.07920
     recombination_mip: 0.6 # 0.65 used in studies - https://sbn-docdb.fnal.gov/cgi-bin/sso/ShowDocument?docid=38164
     merge:
+      threshold: 1.0 #Merge threshold in us, if two flashes occur within this window and are in opposite volumes, they are merged
       window: [-2.0,2.0] #Time window (us) to merge flashes. If flash times are outside of this window they are not considered for merging.
       combine_volumes: true #If true, combine flashes that are within the window. If false, do not combine flashes.
     update_flashes: false #store the original flashes in the output
-    threshold: 1.0 #Merge threshold in us, if two flashes occur within this window and are in opposite volumes, they are merged
     priority: 3
   shape_logic:
     enforce_pid: true

config/sbnd/sbnd_full_chain_data_250328.cfg

@@ -439,10 +439,10 @@ post:
     alpha: 0.21 # Light yield calculation - https://arxiv.org/pdf/1909.07920
     recombination_mip: 0.6 # 0.65 used in studies - https://sbn-docdb.fnal.gov/cgi-bin/sso/ShowDocument?docid=38164
     merge:
+      threshold: 1.0 #Merge threshold in us, if two flashes occur within this window and are in opposite volumes, they are merged
       window: [-2.0,2.0] #Time window (us) to merge flashes. If flash times are outside of this window they are not considered for merging.
       combine_volumes: true #If true, combine flashes that are within the window. If false, do not combine flashes.
     update_flashes: false #store the original flashes in the output
-    threshold: 1.0 #Merge threshold in us, if two flashes occur within this window and are in opposite volumes, they are merged
     priority: 3
   shape_logic:
     enforce_pid: true