[Reaction Bubble] Fix tail alignment

Signed-off-by: Sahil Kumar <[email protected]>

lib/src/reaction_bubble.dart

@@ -134,18 +134,13 @@ class ReactionBubble extends StatelessWidget {
         borderColor,
       ),
     );
-
-    if (!flipTail) {
-      return tail;
-    } else {
     return Transform(
-        transform: Matrix4.rotationY(pi),
+      transform: Matrix4.rotationY(flipTail ? 0 : pi),
       alignment: Alignment.center,
       child: tail,
     );
   }
 }
-}
 
 class ReactionBubblePainter extends CustomPainter {
   final Color color;