[BUG]How yurtctl convert can better close the nodelifecycle controller (kube-controller-manager)?

[Peeknut]

What happened:
When excuting the command yurtctl convert, the clusterrolebinding system:controller:node-controller will be deleted to turn off the nodelifecycle controller (in kube-controller-manager).
However, the flowing questions will appear afterwards:

• Other controllers using clusterrolebinding system:controller:node-controller can't work normally.
  eg: issue: [BUG] flannel not success when convert k8s #380
• In a high availability scenario, when kube-controller-manager changes the leader, kube-controller-manager can't start successfully because of lack of clusterrolebinding system:controller:node-controller .
  Issue: [Question]Questions about clusterrolebinding system:controller:node-controller being deleted. #347

What you expected to happen:
yurtctl convert doesn't turn off nodelifecycle controller by deleting clusterrolebinding system:controller:node-controller. And it can support the high availability of kube-controller-manager.

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:
Solutions currently proposed:
When executing yurtctl convert, 1) If kube-controller-manager is deployed through static file /etc/kubernetes/manifests/kube-controller-manager.yaml: Create jobs for all candidates to modify this file to turn off nodelifecycle controller . 2) If kube-controller-manager is not deployed through a static file: Modify kube-controller-manager template directly.
And this scheme has the following problems:
If the kube-controller-manager is not deployed through a static file (/etc/kubernetes/manifests/), modify kube-controller-manager template directly will lead to the runtime template is inconsistent with the user's local yaml file.

Environment:

• OpenYurt version:
• Kubernetes version (use kubectl version):
• OS (e.g: cat /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

others
/kind bug

[Peeknut]

If there are better solutions or suggestions, comments are welcome :)

[rambohe-ch]

@Peeknut Thank you filing issue.
We need to add some tutorial document to introduce how to modify kube-controller-manager setting manually by user.
and we can also add the contents of modification to kube-controller-manager that set by yurtctl.