Description of problem:
Cannot edit cloud-init data after add ssh key, error like below:
Error "spec.template.spec.accessCredentials[0] requires a configDrive volume to exist when the configDrive propagationMethod is in use." for field "spec.template.spec.accessCredentials[0].sshPublicKey.propagationMethod".

Version-Release number of selected component (if applicable):
v4.11.0-83

How reproducible:
100%

Steps to Reproduce:
1. add ssh key to a vm
2. and then try to edit the cloud-init data
3.

Actual results:
error occurs

Expected results:
no error show, cloud-init data is edited

Additional info: