Resolve "Comment button not showing when order is set to `newest first`"

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

@@ -412,7 +412,7 @@ js-gfm-input js-autosize markdown-area js-vue-textarea qa-comment-input"
             </gl-alert>
             <div class="note-form-actions">
               <div
-                class="float-left btn-group
+                class="btn-group
 append-right-10 comment-type-dropdown js-comment-type-dropdown droplab-dropdown"
               >
                 <button

changelogs/unreleased/219145-comment-button-does-not-show-up-on-mr-when-comments-are-set-to-new.yml

+---
+title: Fix overflow issue in MR and Issue comments
+merge_request: 33100
+author:
+type: fixed