PoE1 Rage bar occasionally showing

Bug Report ID: #2984869634

As stated, I've randomly seen the "curved around the mana globe"-style rage bar from PoE1 showing. Not sure what triggers it. This time I had a T5 uncut support in use when I noticed it.

https://steamcommunity.com/sharedfiles/filedetails/?id=3623389840

Steam link to image