tdf#123036: fix assert in cfg.cxx (cui)

See https://bugs.documentfoundation.org/show_bug.cgi?id=123036#c3

Regression from https://cgit.freedesktop.org/libreoffice/core/commit/?id=52ccd8fabeea247da7077798b50a6db1da31a2eb

Change-Id: I1c24a6c59bda7ce06ed93c31a21d9bc1c8abe2f5
Reviewed-on: https://gerrit.libreoffice.org/67107
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

cui/source/customize/cfg.cxx

@@ -1934,7 +1934,7 @@ SvxMainMenuOrganizerDialog::SvxMainMenuOrganizerDialog(
 
         m_sNewMenuEntryId = OUString::number(reinterpret_cast<sal_uInt64>(pNewEntryData));
         m_xMenuListBox->append(m_sNewMenuEntryId,
-                               SvxConfigPageHelper::stripHotKey(pNewEntryData->GetName()), "");
+                               SvxConfigPageHelper::stripHotKey(pNewEntryData->GetName()));
         m_xMenuListBox->select(m_xMenuListBox->n_children() - 1);
 
         if (mpEntries)