message: Fix error when hovering over non-emoji reactions
diff: @@ -79,8 +79,8 @@ function mightContainEmoji(str: string): boolean {
  * @return {String} The shortcode (such as :thumbup:)
  */
  export function unicodeToShortcode(char: string): string {
  - const shortcodes = getEmojiFromUnicode(char).shortcodes;
  - return shortcodes.length > 0 ? `:${shortcodes[0]}:` : '';
  + const shortcodes = getEmojiFromUnicode(char)?.shortcodes;
  + return shortcodes && shortcodes.length > 0 ? `:${shortcodes[0]}:` : '';
  }
  export function processHtmlForSending(html: string): string {
  