Left handed Piglin Brutes turn to right handed pigmen

Piglin Brutes can spawn holding a golden axe in there left hand. Although when converted the golden axe will be in there right hand.

Steps to recreate:
1. Use spawn egg to spawn piglin brutes in overworld
2. Notice how left handed piglin brutes get converted to right handed pigmen

Intended Mechanic:
When piglin brutes get converted to pigmen they should keep there axe in the hand it was in before it got converted.