barmodule: own hoverpanel internally, modules supply content as component

shell/modules/DiskModule.qml

@@ -8,6 +8,16 @@ M.BarModule {
     id: root
     spacing: Math.max(1, S.Theme.moduleSpacing - 2)
     tooltip: "Disk: " + _rootPct + "% used"
+    panelNamespace: "nova-disk"
+    panelTitle: "Disk"
+    panelContentWidth: 260
+    panelComponent: Component {
+        C.DiskApplet {
+            width: parent.width
+            mounts: root._mounts
+            accentColor: root.accentColor
+        }
+    }
 
     property var _mounts: S.SystemStats.diskMounts
     property int _rootPct: S.SystemStats.diskRootPct
@@ -30,22 +40,4 @@ M.BarModule {
         color: root._anyWarn ? S.Theme.base09 : root.accentColor
         anchors.verticalCenter: parent.verticalCenter
     }
-
-    M.HoverPanel {
-        id: hoverPanel
-        showPanel: root._showPanel
-        screen: QsWindow.window?.screen ?? null
-        anchorItem: root
-        accentColor: root.accentColor
-        panelNamespace: "nova-disk"
-        panelTitle: "Disk"
-        contentWidth: 260
-        onDismissed: root.dismissPanel()
-
-        C.DiskApplet {
-            width: hoverPanel.contentWidth
-            mounts: root._mounts
-            accentColor: root.accentColor
-        }
-    }
 }