EDIT

#5301 Fix null session issues, Add remoting session for feature tree editor

Change null session to singleton with no owner

Add remoting checks for merge, Move to merge call which returns updated transient object

#5256 Add workaround for description reference issue

Pre-select country as named area type for country selection for
specimens (#2353)

Trim code

Add check for remoting to decide whether to merge or save

Always search for FieldUnits in DerivativeSearchView

#5291 Disable data change event firing in case of remoting

#5247 Fix duplicate entity issue for new entities by using the new merge service method which returns the input transient object