Adding case sharing assertions
Adding unit tests for case sharing assertions
refractoring code for setting autoset_owner_id, and use assertion when autoset_owner_id is True
Clarify string for failed case sharing assertion
fix build error when missing subcases
updating case sharing assertion tests
prettifying JSON in case sharing assertion tests
updating translations submodule
Merge pull request #1871 from dimagi/case_sharing_assertions

Case sharing assertions