Improved transform controls and browser alerts

This update enhances transform controls for rotation and introduces an alert to prevent browser tab closure if file changes are not saved.

Changes

• New: Improved transform controls for rotation.
• Transform controls now automatically orientate towards camera for easier control.
• New: An alert will prevent browser tab to close if file changes are not saved.
• Fixed issue with text frame that prevented changing the color/opacity.
• Fixed style issue on camera dropdown.
• Minor improvements and bug fixes.