Bug 1846863

Description of problem:
No response when creating operator instance using Configure via: Form View

Version-Release number of selected component (if applicable):
[wduan@MINT appregistry]$ oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.5.0-0.nightly-2020-06-11-183238   True        False         136m    Cluster version is 4.5.0-0.nightly-2020-06-11-183238

How reproducible:
Always

Steps to Reproduce:
0. Create operatorsource using following yaml file
[wduan@MINT appregistry]$ more 02_operatorsource.yaml
apiVersion: operators.coreos.com/v1
kind: OperatorSource
metadata:
  name: manila-app-registry
  namespace: openshift-marketplace
spec:
  type: appregistry
  endpoint: https://quay.io/cnr
  registryNamespace: rh-osbs-operators
  authorizationToken:
    secretName: qesecret

1.From webconsole, install CSI Drvier Manila Operator
2.Install ManilaDriver instance by Operator-Installed Operator-CSI Drvier Manila Operator-Create Instance
3.Choosing "Form View" as "Configure via" (by default) and click "Create"  button

Actual results:
No response and no ManilaDriver instance is created
Uncaught error 
unhandledrejection { target: Window, isTrusted: true, promise: Promise { "rejected" }, reason: TypeError, srcElement: Window, currentTarget: Window, eventPhase: 2, bubbles: false, cancelable: true, returnValue: true, … }
 main-chunk-de4ff261cc3bde5ad14a.min.js:1
    onunhandledrejection main-chunk-de4ff261cc3bde5ad14a.min.js:1
TypeError: e.json is undefined  create-operand-chunk-8f7c184d9f0ade7a8b16.min.js:1    

Expected results:
ManilaDriver instance created successfully.

Additional info:
When choosing "YAML View" as "Configure via", it works.