EmojiPicker: Workaround to search immediately on mobile

Fixes for EmojiPicker and ReactButton that make them search immediately on input on android. Before, it would wait with the search until you actually select one of the keyboard suggestions.

See https://github.com/vuejs/vue/pull/9814

src/components/emoji_picker/emoji_picker.js

@@ -6,6 +6,7 @@ import {
   faStickyNote,
   faSmileBeam
 } from '@fortawesome/free-solid-svg-icons'
+import { trim } from 'lodash'
 
 library.add(
   faBoxOpen,
@@ -176,7 +177,7 @@ const EmojiPicker = {
     filteredEmoji () {
       return filterByKeyword(
         this.$store.state.instance.customEmoji || [],
-        this.keyword
+        trim(this.keyword)
       )
     },
     customEmojiBuffer () {
@@ -197,7 +198,7 @@ const EmojiPicker = {
           id: 'standard',
           text: this.$t('emoji.unicode'),
           icon: 'box-open',
-          emojis: filterByKeyword(standardEmojis, this.keyword)
+          emojis: filterByKeyword(standardEmojis, trim(this.keyword))
         }
       ]
     },