[sddm-theme/lock screen] Render shadows before (and below) labels

Test Plan:
Before: {F6640823}
After: {F6640826}

Reviewers: #vdg, ngraham, filipf

Reviewed By: #vdg, ngraham

Subscribers: plasma-devel

Tags: #plasma

Maniphest Tasks: T10325

Differential Revision: https://phabricator.kde.org/D19366

lookandfeel/contents/components/Clock.qml

@@ -32,6 +32,19 @@ Item {
     width: clock.implicitWidth
     height: clock.implicitHeight
 
+    DropShadow {
+        id: clockShadow
+        visible: !softwareRendering
+        anchors.fill: clock
+        source: clock
+        horizontalOffset: 0
+        verticalOffset: 2
+        radius: 14
+        samples: 32
+        spread: 0.3
+        color: ColorScope.backgroundColor
+    }
+    
     ColumnLayout {
         id: clock
         Label {
@@ -55,14 +68,4 @@ Item {
             interval: 1000
         }
     }
-
-    layer.enabled: !softwareRendering
-    layer.effect: DropShadow {
-        horizontalOffset: 0
-        verticalOffset: 2
-        radius: 14
-        samples: 32
-        spread: 0.3
-        color: ColorScope.backgroundColor
-    }
 }

lookandfeel/contents/components/UserDelegate.qml

@@ -147,6 +147,19 @@ Item {
         "
     }
 
+    DropShadow {
+        id: usernameShadow
+        visible: !softwareRendering
+        anchors.fill: usernameDelegate
+        source: usernameDelegate
+        horizontalOffset: 0
+        verticalOffset: 1
+        radius: 12
+        samples: 32
+        spread: 0.35
+        color: ColorScope.backgroundColor
+    }
+    
     PlasmaComponents.Label {
         id: usernameDelegate
         anchors {
@@ -162,16 +175,6 @@ Item {
         horizontalAlignment: Text.AlignHCenter
         //make an indication that this has active focus, this only happens when reached with keyboard navigation
         font.underline: wrapper.activeFocus
-
-        layer.enabled: !softwareRendering
-        layer.effect: DropShadow {
-            horizontalOffset: 0
-            verticalOffset: 1
-            radius: 12
-            samples: 32
-            spread: 0.35
-            color: ColorScope.backgroundColor
-        }
     }
 
     MouseArea {