message: update emoji provider regex
diff: @@ -34,7 +34,8 @@ import EMOTICON_REGEX from 'emojibase-regex/emoticon';
  const LIMIT = 20;
  // Match for ascii-style ";-)" emoticons or ":wink:" shortcodes provided by emojibase
  -const EMOJI_REGEX = new RegExp('(' + EMOTICON_REGEX.source + '|:[+-\\w]*:?)$', 'g');
  +// anchored to only match from the start of parts otherwise it'll show emoji suggestions whilst typing matrix IDs
  +const EMOJI_REGEX = new RegExp('(' + EMOTICON_REGEX.source + '|(?:^|\\s):[+-\\w]*:?)$', 'g');
  interface IEmojiShort {
  emoji: IEmoji;
  