Worried pandas run away from players in creative mode

The bug

Worried pandas run away from players in creative mode.

How to reproduce

1. Be in creative mode
2. Spawn a panda
3. Use this command:

   /data merge entity @e[type=panda,sort=nearest,limit=1] {MainGene:"worried",HiddenGene:"worried"}
   

   → The panda will run away