Customizable Player Models

Added editor QoL

• Changing visibility and size of the 3d gizmo
• Multiple selection
• Right click menu in 3d view
• Added UV spinners to textures tab
• Text field highlight when pressing TAB to switch spinners

Added api support to bukkit
Added model changing to API

Fixed crash when closing gui on fabric
Fixed keybinds activating while typing into a text field
Fixed crash with Ears (Closes #218)
Fixed texture tab not rendering view (Closes #221)
Fixed editor crashing with invalid skin type (Closes #220)
Fixed copy transform breaking animations when saving
Fixed bounding box not rendering in the editor
Fixed TAB focus transfer not working in some cases
Fixed editor crash when opening projects with templates (Closes #223)