refactor: pass match data to game server launcher

* Pass full match data to InstanceLauncher instead of only match type
* Track server threads by match ID rather than thread instance ID
* Update child completion handling to use match ID

scenes/data_bridge/lobby_data.gd

@@ -42,7 +42,7 @@ func _launch_game_server(
 	client1: Dictionary,
 	client2: Dictionary
 ) -> void:
-	var port: String = InstanceLauncher.launch_game_server(match_entry.data.type)
+	var port: String = InstanceLauncher.launch_game_server(match_entry.data)
 	if port == "-1":
 		# TODO: Alert clients that the game wont be created due to
 		#       server reaching number of allowed instances.