Fix effects prio after undo/redo with removal
The test I added shows the effects indexes after the steps in bug #2246 (closed) are:
AssertionError: Lists differ: [0, 2, 2] != [0, 1, 2]
Edited by Alexandru Băluț
The test I added shows the effects indexes after the steps in bug #2246 (closed) are:
AssertionError: Lists differ: [0, 2, 2] != [0, 1, 2]