Changes to Disconnect social account from team

added the non-success response with the status 502

added the non-success response with the status 503

added the non-success response with the status 504

added the optional property channels/items/metadata/facebookPageId to the response with the 200 status

added the optional property messagingLastError to the response with the 200 status

added the optional property messagingStatus to the response with the 200 status

added the optional property messagingStatusUpdatedAt to the response with the 200 status

added the optional property providerPageId to the response with the 200 status

added the optional property userEmail to the response with the 200 status