Piglins celebrate even though their enemies are not killed by themselves

The bug

Piglins celebrate / play their celebrating sounds even if they didn't kill their enemy by themselves.

To reproduce

1. Summon some piglins

2. Spawn a hoglin (or a wither skeleton)

3. Wait for the piglin to notice with the hoglin / wither skeleton

4. Kill the hoglin / wither skeleton
   → ❌ The piglins will celebrate

Video