tdf#147723 sw_fieldmarkhide: fix crash when copying multiple fieldmarks

The problem is the UpdateFramesForAddDeleteRedline() call in makeMark(),
this is called in a loop for multiple fieldmarks and when it's called
for the first one, of course the other ones aren't in the document yet,
so HideIterator::Next() can't find them.

But this is only needed when inserting a new fieldmark anyway, so just
disable for copying.

(regression from commit 92384a813176b964a67bcbeb2fa617c554dbc4a2)

Change-Id: Ic1b34d469a553cf7bbf2d1a99edaea900bdd7417
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133215
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
(cherry picked from commit 2f726fa41cbd249f2fb30222b29d5f30bce52e6e)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133148
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
diff --git a/sw/source/core/doc/docbm.cxx b/sw/source/core/doc/docbm.cxx
index 35d016c..e3c87f5 100644
--- a/sw/source/core/doc/docbm.cxx
+++ b/sw/source/core/doc/docbm.cxx
@@ -687,8 +687,9 @@ namespace sw::mark
                // no special array for these
                break;
        }
        if (eType == IDocumentMarkAccess::MarkType::TEXT_FIELDMARK
            || eType == IDocumentMarkAccess::MarkType::DATE_FIELDMARK)
        if (eMode == InsertMode::New
            && (eType == IDocumentMarkAccess::MarkType::TEXT_FIELDMARK
                || eType == IDocumentMarkAccess::MarkType::DATE_FIELDMARK))
        {
            // due to SwInsText notifications everything is visible now - tell
            // layout to hide as appropriate