... Problem with static initialization order of ReservedCommandFlags, caused
wrong enablement of menu items (at least on Mac), such as Plot Spectrum or
Contrast enabled when there was no selection
... Let the window respond to an undo manager event instead, whenever there
is a push or modify
Maybe this makes a few unnecessary redraws that did not happen before. If
that is important, then we should figure out how to put the logic for eliding
the redraw into ProjectWindow, and the extra information needed for the
decision into the events, but not make intrusions in other code all over the
place.
