Changes to List table columns

response property items/items/allOf[subschema #2]/columns/items/codecExpression list-of-types was widened by adding types null to media type application/json of response 200

response property items/items/allOf[subschema #2]/columns/items/defaultExpression list-of-types was widened by adding types null to media type application/json of response 200

response property items/items/allOf[subschema #2]/columns/items/defaultKind list-of-types was widened by adding types null to media type application/json of response 200

response property items/items/allOf[subschema #2]/columns/items/ttlExpression list-of-types was widened by adding types null to media type application/json of response 200

endpoint added