Enable scaddins for ucalc test session.

This adds several worksheet functions to the list.

Change-Id: Ib1a72c4401a4bd5e09ec98dfa1bd6175234005e0
fdo#77307: Compare external formula tokens correctly.

To avoid different external (add-in) tokens from being evaluated equal.

Change-Id: If78187901bdca7fe0da50442b0bb66e0650dc70f