REPO-1027 / ACE-5443: Tweak API spec - update site member (last site member must remain a site manager) - add 422 error  response
REPO-1027 / ACE-5443: Tweak API spec - update site member (last site member must remain a site manager)
- add 422 error  response

Alfresco/rest-api-explorer,Alfresco/rest-api-explorer,Alfresco/rest-api-explorer