P: "Intersection" in history is called "Subtract"
Long standig bug in LrC.
Steps to Reproduce:
1. Select a Mask.
2. Intersect to this Mask another Mask of you choice. (e.g. Sky)
Actual Result: Whenever we use "Intersect" the History states "Subtract (type of Mask)"
e.g. "Subtract Sky"

Expected Result: When we use "Intersect" History should state that we performed an Intersection.
E.g "Intersect Sky
.
