Reloading the world after removing Owner tag from a sitting tamed wolf with /data remove makes the wolf moving and sitting at the same time

The bug

Discovered while testing MC-278420

After removing Owner tag from a sitting tamed wolf with /data remove, the wolf while be motionless due to MC-278420. However when reloading the world, the wolf while be able to move again but while still stay in sitting mode.

How to reproduce

• Follow the steps to reproduce in MC-278420
• Reload the world
  -> The wolf while move and sitting at the same time