Resolves tdf#125531 - Empty CMIS properties dialog

CMIS tab hidden when not isCmisDocument(), ie. no elements

Change-Id: Ib682aa62ae5035a9ecb107fec709d243764346d9
Reviewed-on: https://gerrit.libreoffice.org/78625
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>
diff --git a/sfx2/source/dialog/dinfdlg.cxx b/sfx2/source/dialog/dinfdlg.cxx
index 86d39b6..2b49b18 100644
--- a/sfx2/source/dialog/dinfdlg.cxx
+++ b/sfx2/source/dialog/dinfdlg.cxx
@@ -1128,6 +1128,8 @@ SfxDocumentInfoDialog::SfxDocumentInfoDialog(weld::Window* pParent, const SfxIte
    AddTabPage("description", SfxDocumentDescPage::Create, nullptr);
    AddTabPage("customprops", SfxCustomPropertiesPage::Create, nullptr);
    AddTabPage("cmisprops", SfxCmisPropertiesPage::Create, nullptr);
    if (!rInfoItem.isCmisDocument())
        m_xTabCtrl->get_page("cmisprops")->hide();
    AddTabPage("security", SfxSecurityPage::Create, nullptr);
}

@@ -2248,6 +2250,7 @@ SfxCmisPropertiesPage::SfxCmisPropertiesPage(TabPageParent pParent, const SfxIte
    : SfxTabPage(pParent, "sfx/ui/cmisinfopage.ui", "CmisInfoPage", &rItemSet)
    , m_xPropertiesCtrl(new CmisPropertiesControl(*m_xBuilder))
{

}

void SfxCmisPropertiesPage::dispose()