GLTF/GLB Export Texture Fixes

This update addresses several issues with GLTF/GLB exports, including inverted and transparent textures, as well as overexposed lighting. It also fixes issues related to custom frame sizes and perspective cameras.

Changes

• Fixed issue of inverted textures on GLTF/GLB exports
• Fixed issue of transparent textures on GLTF/GLB exports
• Fixed issue of over exposed lighting on GLTF/GLB exports
• Fixed issue of custom frame size and perspective camera when entering play mode
• Fixed issues with frame mode
• Fixed issue with gizmo when pressing shortcuts
• Fixed issue with clones selection when base is hidden
• Small improvements and fixes