fdo#78391: When numbers are auto-fit, reset clipping parameters.

Else it would get processed further to a surprising result.

Change-Id: I3d6f0d680e0c4c3ffe1d28dcbaf51a156f569359
(cherry picked from commit 162029e55af8f681966497ab7f20277888eac478)
Reviewed-on: https://gerrit.libreoffice.org/9335
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>