Remove duplicate buttons

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

@@ -39,30 +39,27 @@ export default {
 </script>
 
 <template>
-  <div class="discussion-with-resolve-btn">
+  <div class="discussion-with-resolve-btn clearfix">
     <reply-placeholder
       :button-text="s__('MergeRequests|Reply...')"
       class="qa-discussion-reply"
       @onClick="$emit('showReplyForm')"
     />
+
+    <div class="btn-group discussion-actions" role="group">
+      <div class="btn-group">
         <resolve-discussion-button
           v-if="discussion.resolvable"
           :is-resolving="isResolving"
           :button-title="resolveButtonTitle"
           @onClick="$emit('resolve')"
         />
-    <div v-if="discussion.resolvable" class="btn-group discussion-actions ml-sm-2" role="group">
-      <resolve-with-issue-button v-if="resolveWithIssuePath" :url="resolveWithIssuePath" />
-      <jump-to-next-discussion-button
-        v-if="shouldShowJumpToNextDiscussion"
-        @onClick="$emit('jumpToNextDiscussion')"
-      />
+      </div>
       <resolve-with-issue-button
         v-if="discussion.resolvable && resolveWithIssuePath"
         :url="resolveWithIssuePath"
       />
     </div>
-
     <div
       v-if="discussion.resolvable && shouldShowJumpToNextDiscussion"
       class="btn-group discussion-actions ml-sm-2"

changelogs/unreleased/64160-fix-duplicate-buttons.yml

+---
+title: Remove duplicate buttons in diff discussion
+merge_request: 30757
+author:
+type: fixed

spec/features/merge_request/user_resolves_diff_notes_and_discussions_resolve_spec.rb

@@ -362,14 +362,14 @@ describe 'Merge request > User resolves diff notes and threads', :js do
         end
       end
 
-      it 'shows jump to next thread button except on last thread' do
+      it 'shows jump to next discussion button on all discussions' do
         wait_for_requests
 
         all_discussion_replies = page.all('.discussion-reply-holder')
 
         expect(all_discussion_replies.count).to eq(2)
-        expect(all_discussion_replies.first.all('.discussion-next-btn').count).to eq(2)
-        expect(all_discussion_replies.last.all('.discussion-next-btn').count).to eq(2)
+        expect(all_discussion_replies.first.all('.discussion-next-btn').count).to eq(1)
+        expect(all_discussion_replies.last.all('.discussion-next-btn').count).to eq(1)
       end
 
       it 'displays next thread even if hidden' do