Fix the mount logic for PR comment reactions

Author: gizmo385

lazy_github/ui/widgets/conversations.py

@@ -123,12 +123,11 @@ def action_reply_to_individual_comment(self) -> None:
         self.reply_to_comment_flow()
 
     async def add_reaction_display(self, reactions: ReactionSet) -> None:
-        # Add the reactions to the bottom of each comment display
         if not reactions:
             return
 
         rd = ReactionsDisplay(self.comment.id)
-        await self.children[-1].mount(rd)
+        await self.mount(rd, after=len(self.children) - 1)
         await rd.set_reactions(reactions)
 
 

lazy_github/ui/widgets/pull_requests.py

@@ -456,6 +456,7 @@ async def handle_reviews_loaded(self, message: ReviewsAndCommentsLoaded) -> None
 
     @on(CommentReactionsLoaded)
     async def handle_comment_reactions_loaded(self, message: CommentReactionsLoaded) -> None:
+        """Adds any reactions on comments to the comment widgets that they're associated with"""
         tasks: list[Coroutine[Any, Any, None]] = []
         for comment_id, reactions in message.reactions.items():
             if comment := self.comment_containers.get(str(comment_id)):