Make dynamic update calls work and small bugfix

addons/post_processing/node/children/ChromaticAberration.tscn

@@ -7,6 +7,7 @@ shader = ExtResource("1_qxjen")
 shader_parameter/offset = 5.23
 
 [node name="ChromaticAberration" type="CanvasLayer"]
+visible = false
 layer = 102
 
 [node name="data" type="ColorRect" parent="."]

addons/post_processing/node/post_process.gd

@@ -3,8 +3,9 @@ extends CanvasLayer
 
 @export_category("Post Process")
 @export var configuration : PostProcessingConfiguration
+@export var dynamically_update : bool = true
 
-func _update_shaders() -> void:
+func update_shaders() -> void:
 	if not configuration:
 		return
 	for child in get_children():
@@ -139,7 +140,7 @@ func _enter_tree():
 	_add_canvas_layer_children("res://addons/post_processing/node/children/ascii.tscn", "ASCII")
 	_add_canvas_layer_children("res://addons/post_processing/node/children/CRT.tscn", "CRT")
 
-	_update_shaders() 
+	update_shaders()
 
 func _add_canvas_layer_children(_path : String, _name: String) -> void:
 	var child_instance = load(_path).instantiate()
@@ -151,7 +152,10 @@ func _add_canvas_layer_children(_path : String, _name: String) -> void:
 func _process(delta):
 	if not configuration:
 		return
-	if Engine.is_editor_hint() or !Engine.is_editor_hint():
-		if configuration.reload == true:
-			_update_shaders()
-			configuration.reload = false
+	if Engine.is_editor_hint():
+		return
+	if not dynamically_update:
+		return
+	if configuration.reload:
+		update_shaders()
+		configuration.reload = false