lnp inside of summon cmd

Sets lnp inside the summon command for various instances when it's needed.
A quality of life change surely.

musicbot/bot.py

@@ -3802,7 +3802,7 @@ async def cmd_np(
         )
 
     async def cmd_summon(
-        self, guild: discord.Guild, author: discord.Member
+        self, guild: discord.Guild, author: discord.Member, message: discord.Message
     ) -> CommandResponse:
         """
         Usage:
@@ -3872,6 +3872,8 @@ async def cmd_summon(
             author.voice.channel.name,
         )
 
+        self.server_data[guild.id].last_np_msg = message
+
         return Response(
             self.str.get("cmd-summon-reply", "Connected to `{0.name}`").format(
                 author.voice.channel