fix: reduce shader usage and fix greeter

Modules/Clipboard/Content.qml

@@ -25,7 +25,7 @@ Item {
 		searchField.forceActiveFocus();
 	}
 
-	CustomClippingRect {
+	ClipRect {
 		id: search
 
 		anchors.left: parent.left
@@ -54,7 +54,7 @@ Item {
 		}
 	}
 
-	CustomClippingRect {
+	ClipRect {
 		id: preview
 
 		anchors.bottom: parent.bottom
@@ -228,7 +228,7 @@ Item {
 					anchors.fill: parent
 					spacing: Tokens.spacing.small
 
-					CustomClippingRect {
+					ClipRect {
 						id: textRect
 
 						Layout.fillHeight: true