Music tracks will be played continuously while game is paused

MusicPlayer will now continue to play tracks while game is paused, instead of playing one track and get silenced until game is unpaused.

src/lua/LuaMusic.cpp

@@ -254,6 +254,7 @@ void LuaMusic::Register()
 
 	Pi::GetMusicPlayer().onSongFinished.connect([]() {
 		LuaEvent::Queue("onSongFinished");
+		LuaEvent::Emit();
 	});
 
 	LUA_DEBUG_END(l, 0);