This changes the condition to only select row if it's not selected yet;
previously, because of the always-true condition or'ed, SelectRow was
always executed.

Change-Id: Id12b640518f3d72810e997735216db336d79f7f6
Reviewed-on: https://gerrit.libreoffice.org/63267
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>