[Bug] Cognito/User: Cannot create a Cognito User

Is there an existing issue for this?

[X] I have searched the existing issues

Affected Resource(s)

cognitoidp.aws.upbound.io/v1beta1 User

Resource MRs required to reproduce the bug

apiVersion: cognitoidp.aws.upbound.io/v1beta1
kind: User
metadata:
  name: example
spec:
  forProvider:
    region: eu-central-1
    at
    userPoolIdSelector:
      matchControllerRef: true

Steps to Reproduce

Try to create a User with the above manifest

What happened?

I have tried to create a User with the provided manifest, I get an error showing "errorMessage": "Username should be an email.",

Relevant Error Output Snippet

No response

Crossplane Version

1.17.1

Provider Version

1.13

Kubernetes Version

1.30

Kubernetes Distribution

EKS

Additional Info