ps:QC-8406 SAP2 - Add Media to Private and Restricted Channel using channel drop down.

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/on-premise/all@99701 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: adapted to github paths