Merge branch 'jivanvl-replace-underscore-lodash-emoji' into 'master'

Replace underscore for lodash in emoji

Closes #196671

See merge request gitlab-org/gitlab!26412

app/assets/javascripts/emoji/index.js

-import _ from 'underscore';
+import { uniq } from 'lodash';
 import emojiMap from 'emojis/digests.json';
 import emojiAliases from 'emojis/aliases.json';
 
@@ -18,7 +18,7 @@ export function filterEmojiNames(filter) {
 }
 
 export function filterEmojiNamesByAlias(filter) {
-  return _.uniq(filterEmojiNames(filter).map(name => normalizeEmojiName(name)));
+  return uniq(filterEmojiNames(filter).map(name => normalizeEmojiName(name)));
 }
 
 let emojiCategoryMap;