Runtime error occurs when create MachineConfig with default yaml from console

Author: cajieh

frontend/public/models/yaml-templates.ts

@@ -801,6 +801,28 @@ metadata:
   name: example
 spec:
   providerSpec: {}
+`,
+  )
+  .setIn(
+    [referenceForModel(k8sModels.MachineConfigModel), 'default'],
+    `
+apiVersion: machineconfiguration.openshift.io/v1
+kind: MachineConfig
+metadata:
+  labels:
+    machineconfiguration.openshift.io/role: worker
+  name: example
+spec:
+  config:
+    ignition:
+      version: 3.2.0
+    storage:
+      files:
+      - path: /etc/example-config
+        mode: 0644
+        overwrite: true
+        contents:
+          source: data:,example%20content
 `,
   )
   .setIn(