[EKS] [request]: ebs encryption by default with cmk is not being applied

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**Tell us about your request**
Applied for EBS volume encryption for CMK

**Which service(s) is this request for?**
EKS

**Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?**
CMK is applied to the volume, the node group cannot launch instances properly

**Are you currently working around this issue?**
Using the included KMS key from AWS

**Additional context**
No problem when creating instances separately

**Attachments**

No repository file, test, or entry point is named. Start by reproducing EKS node-group creation with EBS encryption enabled using a customer-managed KMS key, compare it with the included AWS KMS key behavior, and verify that the node group launches instances successfully with the CMK-applied volumes.

Written by the indexing model from the issue text.