Add PhantomCamera components and UI elements for improved scene management; refactor existing components for better integration

addons/phantom_camera/scripts/panel/editor.gd

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+@tool
+extends VBoxContainer
+
+#region Onready
+
+@onready var updater: Control = %UpdateButton
+@onready var viewfinder: Control = %ViewfinderPanel
+
+#endregion
+
+#region Public Variables
+
+var editor_plugin: EditorPlugin
+
+#endregion
+
+
+#region Private Functions
+
+func _ready():
+	updater.editor_plugin = editor_plugin
+
+#endregion