specify that grid color listbox can shrink...

in calc->view options and that the checkbox entries cannot when options pane
isn't wide enough to fit everything in (fr). Necessitates swapping columns so
the stretching/shrinking column can be centered horizontally for e.g. en to
remain pretty.

Change-Id: I1402183b6ad0989af676a3472c8bf4d2b9c94ea8