fdo#72163 after updating m_xComposer, command facets are not dirty anymore

Else we dispose m_xComposer too eagerly; still used by m_pCacheSet.

Change-Id: I205488465c19a356534df17b8a5e9a20ce6766c9
Reviewed-on: https://gerrit.libreoffice.org/6906
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
write valid dxf record, related fdo#71971

Change-Id: I99f4dfca78cc0fd5d9b947000a99f8414c2a899b
(cherry picked from commit 7415fc31f5cdf7ff3f78dd304b9576b931a82aeb)
Reviewed-on: https://gerrit.libreoffice.org/6878
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>
Resolves: fdo#70703 guard against FlushImpl inside FlushImpl

where the inner one deletes Shells that the outer one is still
processing. Push the candidates onto a stack and let inner
FlushImpl modify them to inform outer FlushImpl's that an entry
has been deleted

Change-Id: I1db8546d53e24cc96c72f2cd5cbec57b6cecaff5
Reviewed-on: https://gerrit.libreoffice.org/6735
Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>