Pressing <tab> resulted in no action, as we jumped to the textbox of the
shape, which was correct to jump to the shape, so we never arrived to
the next draw shape.

Change-Id: I8c6458994ce985fc420999042a1d8e69b6e6712b
Reviewed-on: https://gerrit.libreoffice.org/31733Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>