The document has a large (1M cells) column, and when replacing old cells
with new cells during undo as described in the bugreport the repeated
calls to EndListener() from ScColumn::DetachFormulaCell() get quite costly.
Optimize this by doing a single EndListeningFormulaCells() call.

Change-Id: If51dacdfbe876134de956dbc6bbd73e97d9686ff
Reviewed-on: https://gerrit.libreoffice.org/64781
Tested-by: Jenkins
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>
Reviewed-by: Eike Rathke <erack@redhat.com>