Fixed reaction event interfering with help embed

cogs/modmail/modmail.py

@@ -153,6 +153,8 @@ class modmail(commands.Cog):
         # Don't count reactions that are made by the bot
         if payload.user_id == self.bot.user.id:
             return
+        elif not self.bot.user.id and payload.emoji not in ['✅', '❌']:
+            return
 
         # Find a role corresponding to the Emoji name.
         guildid = payload.guild_id