[BACKLOG-1495] - Add the ability to change the visibility of a data source - introducing an interface to obtain ACL during importing Mondrian catalogs
[BACKLOG-1495] - Add the ability to change the visibility of a data source - introducing an interface to obtain ACL during importing Metadata schemas
[BACKLOG-1640] - Added filter for mondrian datasources based on the acl info obtained. Unit tests updated
[TEST] - fix JcrAclNodeHelper for UserRoleMapperTest, other fixes for data-access tests
[BACKLOG-1580] - add filter for metadata data sources and its logical modes. Reviewed cache for domains and updated unit tests