fix bugs and styles

- Refactored jailbroken tab
- Added new icons
- Fixed files not closed in  read_afc_file_to_byte_array
- Improved memory cache for thumbnails in `PhotoModel`, increasing limit to 150MB.
- Updated UI elements in `SponsorWidget` and `ToolboxWidget` for better aesthetics and usability.

src/gallerywidget.cpp

@@ -621,4 +621,9 @@ void GalleryWidget::onPhotoContextMenu(const QPoint &pos)
             &GalleryWidget::onExportSelected);
 
     contextMenu.exec(m_listView->viewport()->mapToGlobal(pos));
+}
+
+GalleryWidget::~GalleryWidget()
+{
+    qDebug() << "GalleryWidget destructor called";
 }