Reorder size limit and storage size checks in Project update service

They're now performed after the `super`.

ee/app/services/ee/projects/update_service.rb

@@ -16,17 +16,17 @@ module EE
         should_remove_old_approvers = params.delete(:remove_old_approvers)
         wiki_was_enabled = project.wiki_enabled?
 
-        # Repository size limit comes as MB from the view
         limit = params.delete(:repository_size_limit)
-        project.repository_size_limit = ::Gitlab::Utils.try_megabytes_to_bytes(limit) if limit
-
-        if changing_storage_size?
-          project.change_repository_storage(params.delete(:repository_storage))
-        end
-
         result = super
 
         if result[:status] == :success
+          # Repository size limit comes as MB from the view
+          project.repository_size_limit = ::Gitlab::Utils.try_megabytes_to_bytes(limit) if limit
+
+          if changing_storage_size?
+            project.change_repository_storage(params.delete(:repository_storage))
+          end
+
           cleanup_approvers(project) if should_remove_old_approvers
 
           log_audit_events