fix: prevents changing scenes to the same scene as is current (#619)

addons/escoria-core/game/core-scripts/esc/esc_room_manager.gd

@@ -53,6 +53,13 @@ func register_reserved_globals() -> void:
 # - enable_automatic_transitions: Whether to play the transition between rooms
 #	automatically or to leave the responsibility to the developer.
 func change_scene(room_path: String, enable_automatic_transitions: bool) -> void:
+	if escoria.main and escoria.main.current_scene and escoria.main.current_scene.filename == room_path:
+		escoria.logger.info(
+			self,
+			"Attempting to change scene to same scene as the current scene. Aborting."
+		)
+		return
+
 	# We're changing scenes, so users shouldn't be able to do stuff during.
 	escoria.inputs_manager.input_mode = escoria.inputs_manager.INPUT_NONE