Fix bug in PriorityQueue::removeIndex()

Fix to call siftDown on the removed index instead of always on index 0.
Updated test to a test that fails before and passes now.

PriorityDequeue does not have this issue.
497f8a6098Eric Shrewsberry committed on 4/14/2022, 6:54:41 AM· committed by Andrew Kelleyparent59fa548
1 file changedLine totals unavailable