Simplified assign_attributes for issuable

app/services/issuable_base_service.rb

@@ -216,15 +216,12 @@ class IssuableBaseService < BaseService
     params[:label_ids] = label_ids if labels_changing?(issuable.label_ids, label_ids)
 
     if issuable.changed? || params.present?
-      issuable.assign_attributes(params.merge(updated_by: current_user))
-
       if has_title_or_description_changed?(issuable)
-        issuable.assign_attributes(params.merge(
-          last_edited_at: Time.now,
-          last_edited_by: current_user
-        ))
+        issuable.assign_attributes(last_edited_at: Time.now, last_edited_by: current_user)
       end
 
+      issuable.assign_attributes(params.merge(updated_by: current_user))
+
       before_update(issuable)
 
       if issuable.with_transaction_returning_status { issuable.save }