fix(kube-apps): add helm insights, remove namespace insights panel [EE-6671] (#11077)

app/react/kubernetes/applications/ListView/ApplicationsDatatable/HelmInsightsBox.tsx

@@ -0,0 +1,17 @@
+import { InsightsBox } from '@@/InsightsBox';
+
+export function HelmInsightsBox() {
+  return (
+    <InsightsBox
+      header="Helm option"
+      content={
+        <span>
+          From 2.20 and on, the Helm menu sidebar option has moved to the{' '}
+          <strong>Create from manifest screen</strong> - accessed via the button
+          above.
+        </span>
+      }
+      insightCloseId="k8s-helm"
+    />
+  );
+}