emoji picker fix

src/components/emoji_picker/emoji_picker.js

+import { defineAsyncComponent } from 'vue'
 import Checkbox from '../checkbox/checkbox.vue'
 import { library } from '@fortawesome/fontawesome-svg-core'
 import {
@@ -57,7 +58,7 @@ const EmojiPicker = {
     }
   },
   components: {
-    StickerPicker: () => import('../sticker_picker/sticker_picker.vue'),
+    StickerPicker: defineAsyncComponent(() => import('../sticker_picker/sticker_picker.vue')),
     Checkbox
   },
   methods: {
@@ -79,7 +80,7 @@ const EmojiPicker = {
     },
     highlight (key) {
       const ref = this.$refs['group-' + key]
-      const top = ref[0].offsetTop
+      const top = ref.offsetTop
       this.setShowStickers(false)
       this.activeGroup = key
       this.$nextTick(() => {
@@ -96,7 +97,7 @@ const EmojiPicker = {
       }
     },
     triggerLoadMore (target) {
-      const ref = this.$refs['group-end-custom'][0]
+      const ref = this.$refs['group-end-custom']
       if (!ref) return
       const bottom = ref.offsetTop + ref.offsetHeight
 
@@ -119,7 +120,7 @@ const EmojiPicker = {
       this.$nextTick(() => {
         this.emojisView.forEach(group => {
           const ref = this.$refs['group-' + group.id]
-          if (ref[0].offsetTop <= top) {
+          if (ref.offsetTop <= top) {
             this.activeGroup = group.id
           }
         })