[macOS export] Simplify code signing options, add support for rcodesign tool for signing and notarization.

core/object/object.h

@@ -95,6 +95,7 @@ enum PropertyHint {
 	PROPERTY_HINT_LOCALIZABLE_STRING,
 	PROPERTY_HINT_NODE_TYPE, ///< a node object type
 	PROPERTY_HINT_HIDE_QUATERNION_EDIT, /// Only Node3D::transform should hide the quaternion editor.
+	PROPERTY_HINT_PASSWORD,
 	PROPERTY_HINT_MAX,
 	// When updating PropertyHint, also sync the hardcoded list in VisualScriptEditorVariableEdit
 };