So ScViewData::maTabData gets an entry added which deleting the scenario
can remove again.

(cherry picked from commit 4c8059a3)

Change-Id: I166baeff5408ef67faef41364515a13b8d4610bb
Reviewed-on: https://gerrit.libreoffice.org/34942Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
(cherry picked from commit d846a0d7)