fix: added a additional check for saftey

Author: meatharvester

tux/cogs/services/bookmarks.py

@@ -77,8 +77,8 @@ async def on_raw_reaction_add(self, payload: discord.RawReactionActionEvent) ->
         if not isinstance(channel, discord.DMChannel):
             return
 
-        # If the emoji is the remove bookmark emoji, remove the bookmark
-        if payload.emoji.name in self.remove_bookmark_emojis:
+        # If the emoji is the remove bookmark emoji and reaction is on the bot, remove the bookmark
+        if payload.emoji.name in self.remove_bookmark_emojis and message.author is self.bot.user:
             await self.remove_bookmark(message)
 
     async def add_bookmark(self, user: discord.User, message: discord.Message) -> None: