Breeze Icons: add missing unprotection sc icon

Change-Id: I341e1bda65919e13a381eeca599b5ac0cb883c20
Reviewed-on: https://gerrit.libreoffice.org/19201Reviewed-by: Yousuf Philips <philipz85@hotmail.com>
Tested-by: Yousuf Philips <philipz85@hotmail.com>
(cherry picked from commit 6dd81935)
Reviewed-on: https://gerrit.libreoffice.org/19220Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>