Solve #65 scrollbar issue

[Destaq]

Prevents the overflow of the horizontal scrollbar when the columns fit in the screen already; this solves #65 (and the duplicate #84).

From this:

To this (no overflow):

Solution courtesy of @tiffanyhclau here, simply put into PR form so that it is automatically done for all users.

[Arthur-Milchior]

Is this still an existing problem? I don't have it, so can't test

[voidplayer]

I dont use it anymore either