* feat: implement app icon management and caching mechanism
* feat: enhance app synchronization and icon management
- Refactored app synchronization tasks to improve structure and clarity.
- Introduced shared context for managing app sync state and metadata.
- Updated icon handling to ensure proper content type and caching.
- Adjusted cache control settings for app icons to extend cache duration.
- Improved error handling and logging during app sync processes.
* refactor: streamline app icon retrieval by removing unused fileName return
- Removed the fileName return value from GetAppIcon function as it was not utilized.
- Enhanced the GetAppIcon method in BaseApi to improve clarity and maintainability.
- Ensured proper caching headers are set for app icons.
