4eed1d8533
This just allows the menu entry in Draw to reach SfxMedium::SignContents_Impl(), and then call signDocumentContent(), which shows the dialog (where the signature itself isn't visible yet). Do this by not assuming a ZIP-based storage at various places when we're not working with an "own" format. Change-Id: I030d0f636d1aab98369024f3f10a975ea2786d59 Reviewed-on: https://gerrit.libreoffice.org/29774 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>