Steps to reproduce:

1) /summon pig ~ ~ ~ {Tags:[“target”]}

2) attach leash to pig

3) /data modify entity @e[tag=target,limit=1] Leash set value {}

Expected behaviour:

• Leash visually and practically detaches 

Actual behaviour:

- ** Leash practically detaches (you cant pull  the pig anymore)

• but Leash visually continues to exist