A tag as stored on an item: trimmed, and undefined when blank — so clearing a tag drops the key instead of persisting "Tag": "", and the scene view / class hook see one "unset" shape.
undefined
"Tag": ""
A tag as stored on an item: trimmed, and
undefinedwhen blank — so clearing a tag drops the key instead of persisting"Tag": "", and the scene view / class hook see one "unset" shape.