EKS: No error when all nodegroups are deleted for an imported cluster

[valaparthvi]

Setup

• Rancher version: v2.9-99b2583e3370321a922e29a11ac5ff9f845baeb6-head
• Rancher UI Extensions: release-2.9 7f907d6
• Browser type & version:

Describe the bug

When all the nodegroups of an imported EKS cluster are deleted, the dashboard does not throw any error as it does when deleting all the nodegroups of a provisioned EKS cluster. See attached screencast.

To Reproduce

1. Import an EKS cluster.
2. Delete all the nodegroups of the cluster.

Result
The 'Save' button is active and there is no error displayed on the screen.
Expected Result

Dashboard should throw an error and Save button must be disabled.
Screenshots

Screencast.from.10-15-2024.01.07.31.PM.webm

Additional context