Fix duplicate "me" in award emoji tooltip

* Works by explicitly deleting out-of-date data attributes

* No longer directly assigns to data-original-title

CHANGELOG

@@ -77,6 +77,7 @@ v 8.11.0 (unreleased)
   - Load project invited groups and members eagerly in `ProjectTeam#fetch_members`
   - Add pipeline events hook
   - Award emoji tooltips containing more than 10 usernames are now truncated !4780 (jlogandavison)
+  - Fix duplicate "me" in award emoji tooltip !5218 (jlogandavison)
   - Bump gitlab_git to speedup DiffCollection iterations
   - Rewrite description of a blocked user in admin settings. (Elias Werberich)
   - Make branches sortable without push permission !5462 (winniehell)

app/assets/javascripts/awards_handler.js

@@ -220,7 +220,12 @@
       originalTitle = this.getAwardTooltip(awardBlock);
       authors = originalTitle.split(FROM_SENTENCE_REGEX);
       authors.splice(authors.indexOf('You'), 1);
-      awardBlock.closest('.js-emoji-btn').removeData('original-title').attr('data-original-title', this.toSentence(authors));
+      awardBlock
+        .closest('.js-emoji-btn')
+        .removeData('title')
+        .removeAttr('data-title')
+        .removeAttr('data-original-title')
+        .attr('title', this.toSentence(authors));
       return this.resetTooltip(awardBlock);
     };