Upgrade GodotSlideshow plugin to v1.2.2

godot/addons/slide_show/projector/slide/Slide.gd

@@ -23,7 +23,7 @@ func _ready() -> void:
 func disable() -> void:
 	set_process_unhandled_key_input(false)
 
-	if processing_keep_when_disabled:
+	if processing_keep_when_disabled or get_parent() is Window:
 		return
 	get_children().all(disable_processing)