compositor service & use toplevels instead of niri data

shell.qml

@@ -44,11 +44,9 @@ ShellRoot {
         delegate: Dock {
             modelData: item
             contextMenu: dockContextMenuLoader.item ? dockContextMenuLoader.item : null
-            windowsMenu: dockWindowsMenuLoader.item ? dockWindowsMenuLoader.item : null
 
             Component.onCompleted: {
                 dockContextMenuLoader.active = true
-                dockWindowsMenuLoader.active = true
             }
         }
     }
@@ -72,14 +70,6 @@ ShellRoot {
         }
     }
 
-    LazyLoader {
-        id: dockWindowsMenuLoader
-        active: false
-
-        DockWindowsMenu {
-            id: dockWindowsMenu
-        }
-    }
 
     LazyLoader {
         id: notificationCenterLoader
@@ -258,6 +248,9 @@ ShellRoot {
         }
     }
 
+
+
+
     Variants {
         model: Quickshell.screens