* [ADF-3228] Added lock check in content service
* [ADF-3228] added unit test for lock check
* [ADF-3228] fixed wrong line on rebase
* [ADF-3228] fixed e2e related to new lock behaviour
* [ADF-3228] externalised lock service and added more unit tests
* [ADF-3228] added lock service to disable context actions
* [ADF-3228] fixed e2e rebased to the latest