fix: reduce shader usage and fix greeter

Modules/Bar/Border.qml

@@ -1,49 +0,0 @@
-pragma ComponentBehavior: Bound
-
-import Quickshell
-import QtQuick
-import QtQuick.Effects
-import ZShell.Config
-import qs.Components
-import qs.Services
-
-Item {
-	id: root
-
-	required property Item bar
-	required property ScreenState screenState
-
-	anchors.fill: parent
-
-	CustomRect {
-		anchors.fill: parent
-		anchors.margins: -1
-		color: Colors.palette.m3surface
-		layer.enabled: true
-
-		layer.effect: MultiEffect {
-			maskEnabled: true
-			maskInverted: true
-			maskSource: mask
-			maskSpreadAtMin: 1
-			maskThresholdMin: 0.5
-		}
-	}
-
-	Item {
-		id: mask
-
-		anchors.fill: parent
-		layer.enabled: true
-		visible: false
-
-		Rectangle {
-			anchors.fill: parent
-			anchors.margins: Config.bar.border + 1
-			anchors.topMargin: root.bar.implicitHeight + 1
-			radius: Config.bar.border > 0 ? Config.bar.rounding : 0
-			topLeftRadius: Config.bar.rounding
-			topRightRadius: Config.bar.rounding
-		}
-	}
-}

Modules/Bar/Popouts/AudioPopout.qml

@@ -134,7 +134,7 @@ Item {
 				node: Audio.source
 			}
 
-			CustomClippingRect {
+			ClipRect {
 				anchors.fill: parent
 				radius: parent.radius
 
@@ -249,7 +249,7 @@ Item {
 					node: appBox.modelData
 				}
 
-				CustomClippingRect {
+				ClipRect {
 					anchors.fill: parent
 					radius: parent.radius