fix vue warnings

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/components/Comment/CommentTree.vue

@@ -48,8 +48,9 @@
     >
       {{ $t("Loading comments…") }}
     </p>
-    <transition name="comment-empty-list" mode="out-in" v-else>
+    <transition-group name="comment-empty-list" mode="out-in" v-else>
       <transition-group
+        key="list"
         name="comment-list"
         v-if="comments.length"
         class="comment-list"
@@ -65,10 +66,10 @@
           @delete-comment="deleteComment"
         />
       </transition-group>
-      <div class="no-comments">
+      <div class="no-comments" key="no-comments">
         <span>{{ $t("No comments yet") }}</span>
       </div>
-    </transition>
+    </transition-group>
   </div>
 </template>
 

js/src/views/Group/Group.vue

@@ -31,7 +31,11 @@
         {{ $t("You have been removed from this group's members.") }}
       </b-message>
       <b-message
-        v-if="isCurrentActorAGroupMember && isCurrentActorARecentMember"
+        v-if="
+          isCurrentActorAGroupMember &&
+          isCurrentActorARecentMember &&
+          isCurrentActorOnADifferentDomainThanGroup
+        "
         type="is-info"
       >
         {{
@@ -735,6 +739,10 @@ export default class Group extends mixins(GroupMixin) {
     );
   }
 
+  get isCurrentActorOnADifferentDomainThanGroup(): boolean {
+    return this.group.domain !== null;
+  }
+
   get members(): IMember[] {
     return this.group.members.elements.filter(
       (member) =>