Changes to List Dashboard-accessible Discord guilds

response property items/icon list-of-types was widened by adding types null to media type application/json of response 200

response property items/member_count list-of-types was widened by adding types number and string to media type application/json of response 200

api operation id dashboardGuilds was added

the endpoint scheme security UserToken was added to the API

the endpoint scheme security ApiKeyAuth was removed from the API

removed the non-success response with the status 401

removed the non-success response with the status 500

the response property items/delegated became required for the status 200

the response property items/features became required for the status 200

the response property items/has_bot became required for the status 200

the response property items/icon became required for the status 200

the response property items/id became required for the status 200

the response property items/inactive became required for the status 200

the response property items/name became required for the status 200

the response property items/owner became required for the status 200

the response property items/permissions became required for the status 200

the response property items/role became required for the status 200