find methods with default params with only zero or one call site

Change-Id: Ie5b30f60e9fe00ba1acf0dfc79b005ded46f05a0
Reviewed-on: https://gerrit.libreoffice.org/27512Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>