Bug: Able to create duplicate channel name webhooks.

[kushagra-devtron]

📜 Description

Adding webhook notification configuration

👟 Reproduction steps

1. Go to global config -> notifications -> Configurations -> Webhook configurations.
2. create two notif configuration with same name.

👍 Expected behavior

it should not allow two notif configurations with same name.

👎 Actual Behavior

two notif configurations can be created with same name.

☸ Kubernetes version

latest

Cloud provider

azure

🌍 Browser

Chrome

🧱 Your Environment

No response

✅ Proposed Solution

No response

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

• [X] I checked and didn't find any similar issue

🏢 Have you read the Code of Conduct?

• [X] I have read the Code of Conduct

AB#9196