fix: flamectl job update

flamectl's job udpate code was not updated when modelSpec and dataSpec
were introduced. Therefore, the job update code produces incorrect
configuraiton. This bug is now fixed in flamectl code.

cmd/flamectl/resources/job/job.go

@@ -265,7 +265,13 @@ func Update(params Params) error {
 	}
 
 	// encode the data
-	jobSpec := openapi.JobSpec{}
+	//validate the input - to ensure dataSpecPath and ModelSpecPath are correctly provide
+	isValid, jobSpec := createJobSpec(data, params.JobFile)
+	if !isValid {
+		fmt.Printf("Incorrect job specification provided %s\n", params.JobFile)
+		return nil
+	}
+
 	err = json.Unmarshal(data, &jobSpec)
 	if err != nil {
 		fmt.Printf("Failed to parse %s\n", params.JobFile)