simplify things by moving popups into a new layer

modules/overlays/Bottom.qml

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+import Quickshell.Wayland
+import Quickshell
+import QtQuick
+import qs.settings
+
+Variants {
+    model: Quickshell.screens
+    delegate: WlrLayershell {
+        id: root
+        layer: WlrLayer.Background
+        required property ShellScreen modelData
+        screen: modelData
+        exclusionMode: ExclusionMode.Ignore
+
+        anchors {
+            top: true
+            bottom: true
+            left: true
+            right: true
+        }
+        Image {
+            cache: false
+            anchors.fill: parent
+            source: Qt.resolvedUrl(Config.cfg.wallpaper.wallpaper)
+        }
+    }
+}

modules/overlays/Top.qml

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+import QtQuick
+import Quickshell
+import Quickshell.Wayland
+import qs.modules.Services
+import qs.modules.applets
+import qs.settings
+
+Variants {
+    model: Quickshell.screens
+    delegate: PanelWindow {
+        required property ShellScreen modelData
+	aboveWindows: true
+        screen: modelData
+        anchors {
+            top: true
+            left: true
+            bottom: true
+            right: true
+        }
+        exclusionMode: ExclusionMode.Ignore
+        color: 'transparent'
+        visible: WidgetTracker.current !== "" && WidgetTracker.screen === modelData
+        WlrLayershell.keyboardFocus: visible ? WlrKeyboardFocus.Exclusive : WlrKeyboardFocus.None
+        Item {
+            anchors.fill: parent
+            focus: true
+            Keys.onEscapePressed: event => {
+                WidgetTracker.close();
+                event.accepted = true;
+            }
+	    VolPopup {
+		z: 1
+		visible: WidgetTracker.current === "volume"
+		anchors.right: parent.right
+		anchors.top: parent.top
+		anchors.topMargin: Config.cfg.bar.floating ? Config.cfg.bar.height + 20 : Config.cfg.bar.height
+		anchors.rightMargin: 10
+		
+	    }
+	    WallPicker {
+		z: 1
+		anchors.bottom: parent.bottom
+		anchors.left: parent.left
+		anchors.right: parent.right
+		anchors.margins: 20
+		implicitWidth: 1000
+		implicitHeight: 200
+		visible: WidgetTracker.current === "wallpapers"
+	    }
+	    MouseArea {
+		z: 0
+		anchors.fill: parent
+		acceptedButtons: Qt.LeftButton
+		onClicked: WidgetTracker.close()
+	    }
+        }
+    }
+}