`ItemTag.color`: tipped arrow support (#2569)
* Tipped arrow color support
* removed null checks, added editmeta call, changed meta
* Meta change
* Updated meta to account for colorless maps.
* Mech & tag registered separately, accounted for weird behavior.
* property
* Update ItemColor.java
* Update ItemColor.java
* Update ItemColor.java
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commit: e85051d)
