fix: Replace the dialog box title to D.Label component

Replace plain title text with a centered D.Label in DialogTitleBar

Log: Center the dialog window title with downward offset

fix: 对话框标题替换为 D.Label 组件

将 DialogTitleBar 中的纯文本标题替换为 D.Label 组件

Log: 将对话框窗口标题居中并设置下移偏移
PMS: BUG-361279

Author: MyLeeJiEun

qt6/src/qml/DialogWindow.qml

@@ -62,10 +62,17 @@ Window {
                 sourceComponent: DialogTitleBar {
                     enableInWindowBlendBlur: false
                     icon.name: control.icon
-                    title: control.title
                 }
             }
 
+            D.Label {
+                text: control.title
+                Layout.fillWidth: true
+                Layout.alignment: Qt.AlignHCenter
+                elide: Text.ElideRight
+                horizontalAlignment: Text.AlignHCenter
+            }
+
             Item {
                 id: contentLoader
                 Layout.fillWidth: true

qt6/src/qml/LicenseDialog.qml

@@ -18,7 +18,6 @@ DialogWindow {
     property alias licensePath: licenseProvider.path
 
     header: D.DialogTitleBar {
-        title: control.title
         leftContent: Item {
             width: 32
             D.IconButton {