Fixed Stack Trace not showing up when connector fails

kafka-ui-contract/src/main/resources/swagger/kafka-connect-api.yaml

@@ -409,6 +409,8 @@ components:
             - UNASSIGNED
         worker_id:
           type: string
+        trace:
+          type: string
 
     ConnectorStatus:
       type: object
@@ -427,6 +429,8 @@ components:
                 - UNASSIGNED
             worker_id:
               type: string
+            trace:
+              type: string
         tasks:
           type: array
           items: