fix of quitting in pause menu not returning to main menu

scripts/pause_menu.gd

@@ -20,7 +20,8 @@ func _on_continue_button_pressed() -> void:
 func _on_quit_button_pressed() -> void:
 	StatsManager.end_run(false)
 	AchievementManager.check_all()
-	get_tree().quit()
+	get_tree().paused = false
+	get_tree().change_scene_to_file("res://scenes/mainmenu.tscn")
 
 
 func _on_options_button_pressed() -> void: