Changes to POST /v1/control/installation/management-clients

the endpoint scheme security controlBearer was added to the API

the endpoint scheme security controlCookie was added to the API

the endpoint scheme security operatorBearer was removed from the API

the endpoint scheme security operatorCookie was removed from the API

added the media type application/json for the response with the status 201

added the optional property affected_users to the response with the 409 status