IssueNotesRefactor: Support legacy last edited by case.

app/assets/javascripts/notes/components/issue_discussion.vue

@@ -170,7 +170,7 @@
               class="discussion"
               />
             <issue-note-edited-text
-              v-if="lastUpdatedBy"
+              v-if="lastUpdatedAt"
               :edited-at="lastUpdatedAt"
               :edited-by="lastUpdatedBy"
               action-text="Last updated"

app/assets/javascripts/notes/components/issue_note_body.vue

@@ -99,7 +99,7 @@
       :data-update-url="note.path"
       class="hidden js-task-list-field"></textarea>
     <issue-note-edited-text
-      v-if="note.last_edited_by"
+      v-if="note.last_edited_at"
       :edited-at="note.last_edited_at"
       :edited-by="note.last_edited_by"
       action-text="Edited"

app/assets/javascripts/notes/components/issue_note_edited_text.vue

@@ -14,7 +14,7 @@
       },
       editedBy: {
         type: Object,
-        required: true,
+        required: false,
       },
       className: {
         type: String,
@@ -35,11 +35,13 @@
       :time="editedAt"
       tooltip-placement="bottom"
       />
+    <template v-if="editedBy">
       by
       <a
         :href="editedBy.path"
         class="js-vue-author author_link">
         {{editedBy.name}}
       </a>
+    </template>
   </div>
 </template>