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/servicemanager.cpp

@@ -98,10 +98,10 @@ ServiceManager::safeAfcFileSeek(const iDescriptorDevice *device,
                                 AfcFileHandle *handle, int64_t offset,
                                 int whence)
 {
-    off_t newPos;
     return executeAfcOperation(
         device,
-        [offset, whence, &newPos](AfcFileHandle *handle) {
+        [offset, whence](AfcFileHandle *handle) {
+            int64_t newPos;
             return afc_file_seek(handle, offset, whence, &newPos);
         },
         handle);
@@ -109,7 +109,7 @@ ServiceManager::safeAfcFileSeek(const iDescriptorDevice *device,
 
 IdeviceFfiError *
 ServiceManager::safeAfcFileTell(const iDescriptorDevice *device,
-                                AfcFileHandle *handle, off_t *position)
+                                AfcFileHandle *handle, int64_t *position)
 {
     return executeAfcOperation(
         device,