Changes to List All Connections

added the pattern ^[A-Za-z0-9+/=_-]+$ to the query request parameter cursor

added FullConnection DeletedConnection to the results/items response property oneOf list for the response status 200

added the new provider_timeout enum value to the code response property for the response status 504

removed subschema #1: Full Connection subschema #2: Deleted Connection from the results/items response property oneOf list for the response status 200

the next response's property pattern ^[A-Za-z0-9+/=_-]+$ was added for the status 200