Removed the pre and post K8s upgrade related env variables
Added addon verification related method calls as part of validate_k8s_service_images

Use Catalog TemplateLister to find out the latest version of system catalog apps

This double checks if manage agent is found and unmanaged agent can't be
cleaned up by managed agent due to race condition. Once managed agent
is found then the loop is immediately terminated.

Don't setup MaxSANs

https://github.com/rancher/rancher/issues/24156

Add nodeCount to formatter

Update test to be nonparallel

Problem:
Catalog refresh lists all catalogs then attempts a refresh, if another
tests deletes that test mid refresh the call errors

Solution:
Mark the test as nonparallel

Check nil pointer for node.status.NodeConfig

Fix 502 masking steve errors

Only set TLS when tls dialer is not nil

UpdateLabel method is called for any type of node, even if nodePlan is
passed into the method. This commit fixed the bug where
node.status.NodeConfig could be nil if it is a imported node.

Parametrized relevant rbac tests

share-mnt agent shouldn't send back node version

Lock dynamic TLS to server-url value

Problem:
If there is an extra share-mnt unmanaged agent running on node,
it doesn't execute plan but sends back node version and server
incorrectly assumes node's been upgraded

Solution:
ExecutePlan doesn't update processes if writeCertOnly, so add check
for it and don't consider it an upgrade

Support ctx in dialers

Fix the issue that users cannot remove proxyUrl of notifier