fix(name): fix transfer/user &cr.name and use annotation

[haarchri]

Signed-off-by: haarchri [email protected]

Description of your changes

fixed: never use cr.Name, the source of truth is always the annotation for transfer/user

Fixes #1051

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

apiVersion: transfer.aws.crossplane.io/v1alpha1
kind: User
metadata:
  annotations:
    crossplane.io/external-name: testwithannotation
  name: test
spec:
  forProvider:
    region: us-east-1
    homeDirectory: /crossplane-example-bucket/example
    homeDirectoryType: PATH
    roleRef:
      name: somerole
    serverIDRef:
      name: example
    sshPublicKeyBody: "ssh-rsa xxx"
    tags:
      - key: myKey
        value: myValue
  providerConfigRef:
    name: example