✦ Changes:
● Added ability to use on material of items a custom potion with a color.
● Added ability to use on material of items a custom splash potion with a color.
● Added ability to use on material of items a custom lingering potion with a color.
✦ Changes:
● Added ability to use on material of items a custom firework star with a color.
✦ Changes:
● Fixed an issue with the upgrade button on a preview menu.
✦ Changes:
● Changed the priority of the off-hand item in a preview menu.
✦ Changes:
● Optimized the hooks.
● Optimized the kits and the kit levels.
● Fixed an issue with the kit preview menu buttons.
