widgets/cliprect: override parent's implicit size instead of wrapper

Adding implicitSize to margin wrappers broke implicit sizing
of ClippingWrapperRectangle.

src/widgets/CMakeLists.txt

@@ -14,6 +14,7 @@ qt_add_qml_module(quickshell-widgets
 		WrapperMouseArea.qml
 		WrapperRectangle.qml
 		ClippingWrapperRectangle.qml
+		ClippingWrapperRectangleInternal.qml
 )
 
 qt6_add_shaders(quickshell-widgets "widgets-cliprect"

src/widgets/ClippingWrapperRectangle.qml

@@ -11,7 +11,7 @@ import QtQuick
 /// > @@Item.height or @@Item.anchors on the child item, as they are used
 /// > by WrapperItem to position it. Instead set @@Item.implicitWidth and
 /// > @@Item.implicitHeight.
-ClippingRectangle {
+ClippingWrapperRectangleInternal {
 	id: root
 
 	/// The default for @@topMargin, @@bottomMargin, @@leftMargin and @@rightMargin.
@@ -54,13 +54,10 @@ ClippingRectangle {
 	/// See @@WrapperManager.child for details.
 	property alias child: manager.child
 
-	implicitWidth: root.contentItem.implicitWidth + (root.contentInsideBorder ? root.border.width * 2 : 0)
+	border.width: 0
-	implicitHeight: root.contentItem.implicitHeight + (root.contentInsideBorder ? root.border.width * 2 : 0)
 
-	resources: [
+	__implicitWidthInternal: root.contentItem.implicitWidth + (root.contentInsideBorder ? root.border.width * 2 : 0)
-		MarginWrapperManager {
+	__implicitHeightInternal: root.contentItem.implicitHeight + (root.contentInsideBorder ? root.border.width * 2 : 0)
-			id: manager
+
-			wrapper: root.contentItem
+	MarginWrapperManager { id: manager }
-		}
-	]
 }

src/widgets/ClippingWrapperRectangleInternal.qml

@@ -0,0 +1,7 @@
+import QtQuick
+
+ClippingRectangle {
+	id: root
+	property alias __implicitWidthInternal: root.implicitWidth
+	property alias __implicitHeightInternal: root.implicitHeight
+}