bugfix: don't error if emoji not found

src/components/mfm_content/mfm_content.jsx

@@ -234,6 +234,8 @@ export default defineComponent({
         }
 
         case 'emojiCode': {
+          const emoj = this.status.emojis.find((emoji) => emoji.shortcode === token.props.name)
+          if (emoj) {
             return [h('div', {
               class: 'still-image emoji img'
             },
@@ -244,6 +246,9 @@ export default defineComponent({
               src: this.status.emojis.find((emoji) => emoji.shortcode === token.props.name).static_url
             })]
             )]
+          } else {
+            return `:${token.props.name}:`
+          }
         }
 
         case 'unicodeEmoji': {