agent: Add component preview for Zed AI configuration (#33704)

As we are in the process of improving our Onboarding UX for Zed AI, I
added component previews for the Zed AI Configuration section. This
should make it easier to inspect the different states we can run into.

<img width="1198" alt="image"
src="https://github.com/user-attachments/assets/eb774f27-9091-450d-bfae-c688d533c25e"
/>


Release Notes:

- N/A

Cargo.lock

@@ -8946,8 +8946,10 @@ dependencies = [
  "aws-credential-types",
  "aws_http_client",
  "bedrock",
+ "chrono",
  "client",
  "collections",
+ "component",
  "copilot",
  "credentials_provider",
  "deepseek",