完善插件界面ui细节

qml/AppUI/NormalUI.qml

@@ -1,7 +1,13 @@
 import QtQuick 2.12
 import QtQuick.Controls 2.0 as QQC2
+import AppControls2 1.0 as AppControls2
+import org.ukui.menu.core 1.0
 
-Item {
+AppControls2.StyleBackground {
+    paletteRole: Palette.Window
+    radius: 12
+    useStyleTransparent: false
+    alpha: 0.75
     Row {
         anchors.fill: parent;
 

qml/AppUI/Sidebar.qml

@@ -4,14 +4,17 @@ import QtQuick.Layouts 1.12
 Item {
     ColumnLayout {
         anchors.fill: parent
-        Item {
+        anchors.topMargin: 12
+
+        Row {
             Layout.fillWidth: true
-            Layout.preferredHeight: 30
+            Layout.preferredHeight: 40
+            Layout.rightMargin: 12
 
             ListView {
                 id: extensionListView
-                anchors.fill: parent
-
+                width: parent.width - 34
+                height: parent.height
                 orientation: ListView.Horizontal
                 model: extensionManager.extensionModel()
                 delegate: headerDelegate
@@ -28,8 +31,12 @@ Item {
                     }
                 }
             }
-        }
 
+            Item {
+                width: 34
+                height: 34
+            }
+        }
         Item {
             Layout.fillWidth: true
             Layout.fillHeight: true
@@ -44,10 +51,23 @@ Item {
                 }
             }
         }
+
+        Row {
+            Layout.fillWidth: true
+            Layout.preferredHeight: 40
+            Layout.rightMargin: 12
+            layoutDirection: Qt.RightToLeft
+
+            Item {
+                width: 32
+                height: 32
+            }
+        }
     }
 
     Component {
         id: headerDelegate
+
         Item {
             property var extensionData: model.data
             width: 100