refactor(ui): add WinUI stylesheet for Windows

- Introduced WinToolWidget for custom window management on Windows.
- Implemented backdrop type settings for Windows in SettingsManager.
- Enhanced SettingsWidget to allow selection of backdrop type.
- Improved status balloon and toolbox widget styles for Windows.
- Refined tab widget animations and styles for better visual feedback.
- Fixed issues with loading and error widgets in ZLoadingWidget.
- Updated welcome widget to support custom hyperlink colors.
- General code cleanup and style adjustments across multiple files.

src/settingsmanager.cpp

@@ -475,4 +475,18 @@ QMap<QString, QString> SettingsManager::getAllIdeviceDefaultPairingFiles() const
     }
     return macAddresses;
 }
+#endif
+
+#ifdef WIN32
+void SettingsManager::setWinBackdropType(WIN_BACKDROP type)
+{
+    m_settings->setValue("winBackdropType", static_cast<int>(type));
+    m_settings->sync();
+}
+
+WIN_BACKDROP SettingsManager::winBackdropType() const
+{
+    return static_cast<WIN_BACKDROP>(
+        m_settings->value("winBackdropType", static_cast<int>(MICA)).toInt());
+}
 #endif