Added scene palette addon

addons/scene_palette/components/scene_thumbnail/scene_drop_holder.gd

@@ -0,0 +1,36 @@
+@tool
+extends MarginContainer
+class_name PalettePluginSceneDrop
+@onready var scene_drop = %SceneDrop
+@onready var name_label = %NameLabel
+@onready var open_scene_button: Button = $OpenSceneButton
+
+# Note most of the code is in scene_drop.gd attached to SceneDrop, this is a wrapper.
+# A wrapper is used because it made implementing the drag and drop code easier
+
+
+var instantiate_scene_preview:
+	set(value):
+		scene_drop.instantiate_scene_preview = value
+
+var _scene_path:String
+
+func set_scene(path:String):
+	_scene_path = path
+	scene_drop.set_scene(path)
+	var scene_name = _scene_path.split('.')[0].split('/')[-1]
+	name_label.text = scene_name
+	name_label.tooltip_text = scene_name
+	
+	var file_extension = path.split('.')[-1]
+	if file_extension != 'tscn':
+		open_scene_button.hide()
+
+func _on_open_scene_button_pressed():
+	EditorInterface.open_scene_from_path(_scene_path)
+
+func adjust_scale(amt:float):
+	scene_drop.adjust_scale(amt)
+
+func show_file_label(show:bool):
+	scene_drop.show_file_label(show)