Preview shouldn't affect current running resource configure

[aiwantaozi]

Describe the bug
After editing configure and previewing a running resource, the resource configuration is changed, even after aborting the preview configuration, the current resource configuration does not match the currently running configuration.
Steps to reproduce

1. Create a resource with template builtin/kubernetes-containerservice, input the image then save and deploy
2. After deployed successfully, then edit the resource configure, and set env as below

3. Then save and preview.
4. After the preview run success, then check the current resource configuration, the env is changed as image above, the preview should not affect the current resource configuration.
5. Abort the plan, the current resource configuration still has the env, check the running k8s deployment/pod, it doesn't have env configuration.

Result
Preview changes the current running resource's configuration.

Expected behavior
Preview shouldn't change the current running resource's configuration.

Environment

• Walrus version:
  59df6ec

Additional context
Add any other context about the problem here.