clean up after merge conflicts

lib/helpers/gif_helper.dart

@@ -30,7 +30,7 @@ class GifHelper {
     ).firstMatch(trimmed);
     return pageMatch?.group(1);
   }
-  
+
   /// Encode a GIF in a format that parseGif() can parse.
   static String encodeGif(String gifId) {
     return 'g:$gifId';

lib/helpers/reaction_helper.dart

@@ -109,7 +109,7 @@ class ReactionHelper {
 
     return ReactionInfo(targetHash: match.group(1)!, emoji: emoji);
   }
-  
+
   /// Encode a reaction message that parseReaction() can parse.
   static String encodeReaction(String hash, String emojiIndex) {
     return 'r:$hash:$emojiIndex';