Fixed Issues in Schema Registry

Review the list of Schema Registry issues that are resolved in Cloudera Runtime 7.1.7 SP3.

CDPD-48853: Schemas created with the Confluent Schema Registry API cannot be viewed in the UI
Schemas created in Cloudera Schema Registry using the Confluent Schema Registry API are now visible in the Cloudera Schema Registry UI.

In addition, the /api/v1/schemaregistry/search/schemas/aggregated endpoint of the Cloudera Schema Registry API now correctly returns schemas created with the Confluent Schema Registry API.