Make sure to return the current version of entity from tree.intersects
Make sure to return the current version of entity from tree.intersects

Since d5e427289, the tree head graph will not update if only tags have
changed - it requires an addition, deletion, or geometry change.

This makes the tree a little more efficient, but we do need to make
sure to return the current entities to the caller.

digidem/iD,openstreetmap/iD,openstreetmap/iD,morray/iD,kartta-labs/iD,digidem/iD,openstreetmap/iD,morray/iD,kartta-labs/iD,kartta-labs/iD