[EKS] [request]: Control over snapshotting when installing EBS CSI add-on

**Tell us about your request**
What do you want us to build?
The EKS EBS CSI Addon will have a csi-snapshotter sidecar. ebs-csi-controller pod will throw an error of missing CRDs. As there is no requirement for the snapshot functionality CRDs are not installed manually before installing addon.

The requirement is to have a option to disable the csi-snapshotter sidecar while installing EBS CSI Addon or making the addon smarter to notice that CRDs are not installed and avoiding the installation of csi-snapshotter sidecar.

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

**Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?**
What outcome are you trying to achieve, ultimately, and why is it hard/impossible to do right now? What is the impact of not having this problem solved? The more details you can provide, the better we'll be able to understand and solve the problem.

The requirement is to have a option to disable the csi-snapshotter sidecar while installing EBS CSI Addon or making the addon smarter to notice that CRDs are not installed and avoiding the installation of csi-snapshotter sidecar.

**Are you currently working around this issue?**
How are you currently solving this problem?
N/A

The issue names the EKS EBS CSI Addon, its csi-snapshotter sidecar, and the required CRDs, but no repository files, tests, or entry points. Start by reviewing how the addon installs the sidecar and handles missing CRDs; done means agreeing on and implementing one clear behavior for installations without snapshot functionality.

Written by the indexing model from the issue text.