Allow to to disable the saving of changed or deleted data.

Also it is possible to only save the information which fields were changed, not the data in it.

config/services.yaml

@@ -74,6 +74,10 @@ services:
             - { name: "doctrine.orm.entity_listener" }
 
     App\EventSubscriber\EventLoggerSubscriber:
+        arguments:
+            $save_changed_fields: '%env(bool:HISTORY_SAVE_CHANGED_FIELDS)%'
+            $save_changed_data: '%env(bool:HISTORY_SAVE_CHANGED_DATA)%'
+            $save_removed_data: '%env(bool:HISTORY_SAVE_REMOVED_DATA)%'
         tags:
             - { name: 'doctrine.event_subscriber' }