Update dependencies and refactor DesktopEnv initialization

- Removed specific versioning for the 'requests' library in requirements.txt and setup.py to allow for more flexible updates.
- Refactored the DesktopEnv class to streamline the emulator initialization process, enhancing error handling and logging during startup.
- Improved retry logic for file uploads in SetupController, ensuring robust handling of network issues and providing clearer error messages.
- Maintained existing code logic while enhancing clarity and reliability in the DesktopEnv and SetupController classes.

setup.py

@@ -42,7 +42,7 @@ setup(
         "Pillow~=11.0.0",
         "fabric",
         "gymnasium~=0.28.1",
-        "requests~=2.31.0",
+        "requests",
         "pytz~=2024.1",
         "transformers~=4.35.2",
         "torch~=2.5.0",