Feature: Management API: Add endpoint to Get All organizations for which a connection is enabled.
Description: Adding an endpoint the the Management API to retrieve all organizations that have a certain connection enabled.
Use-case: For B2B Use cases when some customers have multiple brands, this translates to multiple Organizations in Auth0 sharing the same set of connections. It would be useful to be able to identify all organizations currently using a certain connection to accurately gauge the impact of making changes to a connection.