Integer division could cancel small values of wrong sign

Integer division could cancel small values of wrong sign

... as seen at some documents where the values are like -1. There
the checks in pushToPropMap may pass (the division result would be 0),
but the original small negative values would fail the asserts that
were introduced in commit 5772cef244dbee5834efbc693bc714d89ae6301d
  Author Mike Kaganski <mike.kaganski@collabora.com>
  Date   Wed Jun 15 18:33:38 2022 +0300
    tdf#134210: Reimplement cropping from srcRect and fillRect

Change-Id: I114588862b5cfd2b2e4491424430cc139bdbaae9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136492
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 2d9f3c066a065d6aa98f1e594dcf8a091fec2bde)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136471
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Signed-off-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136556