Icons taken from https://thenounproject.com/icon/lock-89649/ and https://thenounproject.com/icon/unlock-89647/ (licensed PD) Change-Id: I7efd25e83726ced7dee4f876cf4bb4c8f54408df Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160460 Tested-by: Jenkins Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>