Fixed server version

Removed gkit on command
Added kits editor in categories
Fixed update after click to the kit categories menu
Refactor changes in the editors menus title

Fixed warn initializing legacy material support
Fixed formatting when cooldown is 0
Fixed head categories default button fixed
Added added go backwards after selecting a slot
Modified skull data for textures
D elete reflection methods of skull data for textures

Added compatibility with 1.21+
Modified skull data for textures
Modified skull owner save (kit, category & decorations)