Check object instanceof on all detail panels (#4054)

* Check object instanceof on all detail panels

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix unit tests

- Remove prettier as snapShot testing is too tight of a bound

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/components/+workloads-cronjobs/cronjob-details.tsx

@@ -31,8 +31,9 @@ import { Link } from "react-router-dom";
 import { cronJobStore } from "./cronjob.store";
 import type { KubeObjectDetailsProps } from "../kube-object-details";
 import { getDetailsUrl } from "../kube-detail-params";
-import type { CronJob, Job } from "../../../common/k8s-api/endpoints";
+import { CronJob, Job } from "../../../common/k8s-api/endpoints";
 import { KubeObjectMeta } from "../kube-object-meta";
+import logger from "../../../common/logger";
 
 interface Props extends KubeObjectDetailsProps<CronJob> {
 }
@@ -46,18 +47,27 @@ export class CronJobDetails extends React.Component<Props> {
   render() {
     const { object: cronJob } = this.props;
 
-    if (!cronJob) return null;
+    if (!cronJob) {
+      return null;
+    }
+
+    if (!(cronJob instanceof CronJob)) {
+      logger.error("[CronJobDetails]: passed object that is not an instanceof CronJob", cronJob);
+
+      return null;
+    }
+
     const childJobs = jobStore.getJobsByOwner(cronJob);
 
     return (
       <div className="CronJobDetails">
         <KubeObjectMeta object={cronJob}/>
         <DrawerItem name="Schedule">
-          {cronJob.isNeverRun() ? (
-            <>
-              never ({cronJob.getSchedule()})
-            </>
-          ) : cronJob.getSchedule()}
+          {
+            cronJob.isNeverRun()
+              ? `never (${cronJob.getSchedule()})`
+              : cronJob.getSchedule()
+          }
         </DrawerItem>
         <DrawerItem name="Active">
           {cronJobStore.getActiveJobsNum(cronJob)}