Create Alt+tab window, refactor sortedDesktopApplications so they are inside a ListModel instead of a Map()

shell.qml

@@ -1,20 +1,13 @@
 //@ pragma UseQApplication
 import Quickshell
+import qs.Widgets
+import qs.Common
+import qs.Services
 
 ShellRoot {
-    // Bar {
-    //     modelData: Quickshell.screens.values[0]
-    //     barComponentsLeft: ["NotificationsWidget.qml"]
-    //     barComponentsCenter: ["Workspaces.qml"]
-    //     barComponentsRight: ["AudioWidget.qml", "SysTrayWidget.qml", "ClockWidget.qml"]
-    // }
+    id: root
 
-    // Bar {
-    //     panelMonitor: "DP-2"
-    //     barComponentsLeft: []
-    //     barComponentsCenter: ["Workspaces.qml"]
-    //     barComponentsRight: ["AudioWidget.qml", "ClockWidget.qml"]
-    // }
+    property bool createWindow: false
 
     Variants {
         model: Quickshell.screens
@@ -25,4 +18,21 @@ ShellRoot {
             barComponentsRight: ["AudioWidget.qml", "SysTrayWidget.qml", "ClockWidget.qml"]
         }
     }
+
+    Shortcuts {
+        name: "showAltTab"
+        onPressed: {
+            root.createWindow = !root.createWindow;
+        }
+    }
+
+    LazyLoader {
+        id: windowLoader
+
+        active: root.createWindow
+
+        component: WindowSwitcher {
+            onClear: root.createWindow = false
+        }
+    }
 }