Assign local ID when remixing as unauth

app/controllers/api/v1/parties_controller.rb

@@ -62,6 +62,8 @@ module Api
           source_party: @party
         }
 
+        new_party.local_id = party_params[:local_id] if !party_params.nil?
+
         if new_party.save
           render json: PartyBlueprint.render(new_party, view: :full, root: :party,
                                              meta: { remix: true })