In addition remove spinbox pressed state (it wasn't useful) and
draw white filled empty rect for spinbox as we don't draw the
background automatically.

Change-Id: I892108c5839dc463cdb9e4f4f09276fc184f4944
Reviewed-on: https://gerrit.libreoffice.org/70258
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>