Style Editor: Fix base layers when cloning styles (#2474)

How did I miss this. I'm so dumb.

Author: Jowan-Spooner

addons/dialogic/Resources/dialogic_style.gd

@@ -132,7 +132,6 @@ func move_layer(from_index:int, to_index:int) -> void:
 func set_layer_scene(layer_id:String, scene:String) -> void:
 	if not has_layer(layer_id):
 		return
-
 	layer_info[layer_id].scene = load(scene)
 	changed.emit()
 
@@ -247,8 +246,8 @@ func clone() -> DialogicStyle:
 	style.inherits = inherits
 
 	var base_info := get_layer_info("")
-	set_layer_scene("", base_info.path)
-	set_layer_overrides("", base_info.overrides)
+	style.set_layer_scene("", base_info.path)
+	style.set_layer_overrides("", base_info.overrides)
 
 	for id in layer_list:
 		var info := get_layer_info(id)

addons/dialogic/Resources/dialogic_style_layer.gd

@@ -12,3 +12,10 @@ func _init(scene_path:Variant=null, scene_overrides:Dictionary={}):
 	elif scene_path is String and ResourceLoader.exists(scene_path):
 		scene = load(scene_path)
 	overrides = scene_overrides
+
+
+func _to_string() -> String:
+	if scene:
+		return "<Layer:" + scene.resource_path + " {" + str(len(overrides)) + " overrides} >"
+	else:
+		return "<Layer:no-scene>"