Use range-based loop or replace with std::any_of, std::find and
std::find_if where applicable.

Change-Id: I2f80788c49d56094c29b102eb96a7a7c079567c6
Reviewed-on: https://gerrit.libreoffice.org/59143
Tested-by: Jenkins
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>