Crash test update

[Caolán McNamara]

On Fri, 2022-06-03 at 19:35 +0000, crashtest wrote:
> Hi,
> 
> New crashtest update available at
> <https://dev-builds.libreoffice.org/crashtest/86922db292f5708d2431959
> d15c5ceea70aee7fb/>.
> 
> 4 files have crashed during import.
> 2 files have crashed during export.

Progress!, 4 bts give
1 SwObjectFormatterTextFrame::GetFirstObjWithMovedFwdAnchor
2 two FastSaxSerializer::endFastElement asserts
1 mark::FindFieldSep

Something somewhere along the line appears to have wiped out the
ModelToViewHelper::ModelToViewHelper crash seen frequently in the past
like
https://dev-builds.libreoffice.org/crashtest/b4bf19321ed9ce2d0e49341193690fef0c7085ea/backtraces/task1137-core.backtrace.txt