Bug: copy container image fixes

[iamayushm]

📜 Description

fixes following issues:-

1. After change in custom tag UI, custom tag is getting disabled from UI
2. if source registry is ECR repo, image is not getting copied in case of ECR
3. custom tag cd is not getting disabled

👟 Reproduction steps

NA

👍 Expected behavior

custom tag should not get disabled

👎 Actual Behavior

custom tag will get disabled

☸ Kubernetes version

EKS 1.23

Cloud provider

EKS

🌍 Browser

Chrome

🧱 Your Environment

No response

✅ Proposed Solution

No response

👀 Have you spent some time to check if this issue has been raised before?

• I checked and didn't find any similar issue

🏢 Have you read the Code of Conduct?

• I have read the Code of Conduct

AB#6949