Fixed Issues in Atlas

Review the list of Apache Atlas issues that are resolved in Cloudera Runtime 7.2.14.

CDPD-29335: Random NPE when retrieving tasks.

Handle null pointer exception when retrieving tasks using the admin/tasks endpoint.

CDPD-29663: Error while connecting topic with schema in Atlas

The error occurred when the Schema Registry tried to make a relationship in Apache Atlas between a schema and a non-existent corresponding topic. When the error occurred, an Atlas integration related exception showed up in the Schema Registry logs and a DB entry related to the Atlas task was left in a failed state. The error is safe to ignore.