opentelemetry-operator generated certificate is always recreated

I am using the `opentelemetry-operator` helm chart with argo-cd.
In order to generate the certificate with the helm chart I configured the following
```
admissionWebhooks:
  certManager:
    enabled: false
  autoGenerateCert:
    enabled: true
    recreate: false
```
Which works the first apply, but is always shown as a diff in argo-cd, and therefore will be recreated in the next apply.