Unused assets removal and resizing fixes

This update introduces a new context menu option to remove unused assets and resolves issues related to resizing and dragging objects.

Changes

• New context menu option to remove unused assets.
• Fixed issue when resizing by holding Shift.
• Fixed issue when dragging objects on first click.
• Fixed issue when animating noise layer colors.
• Improved quality of glass layer.
• Minor UI improvements.
• Minor bug fixes.