The first time an EKS cluster is created its provider/distro is initially shown as imported/imported

[mantis-toboggan-md]

Setup

• Rancher version: v2.11-d224815d7cfbf4194db1ffdfb04676d55d1a2062-head
• Rancher UI Extensions: none
• Browser type & version: firefox

We may need to tackle #12882 first.

Describe the bug
Originally reported here. The first time a user creates an EKS cluster, its provider/distro in the cluster management cluster list view is shown as imported/imported.

To Reproduce

1. Bring up a new rancher instance
2. create an EKS cluster. Default values are fine.
3. Observe the cluster list view immediately after creating the cluster

Result
The new cluster's provider/distro is imported/imported

Expected Result
The new cluster's provider/distro should be Amazon EKS

Screenshots

Additional context
It seems that the mgmt cluster status.driver and status.provider are undefined initially. I think this bug is only obvious on the first EKS cluster because that first cluster is slower to provision. If I open a second window to watch the table as I create another EKS cluster, I do see it listed as imported/imported, but only for 1-2 seconds at most.