[BACKLOG-1495] - Add the ability to change the visibility of a private data source to public

get/put ACL data for Data Sources
[BACKLOG-1561] - Add the ability to get security/ACL information about a datasource

endpoints, tests
Merge pull request #1 from aliakseihaidukou/BACKLOG-1561

[BACKLOG-1561] - Add the ability to get security/ACL information about a datasource