* removed static members from SfxNotebookBar to avoid crashes
* Updating Notebookbar state after module load

Change-Id: Ia4e3dcb0b6e2c5aa7c5205992dbf3575e72fa354
Reviewed-on: https://gerrit.libreoffice.org/28841Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>