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

crates/language_models/Cargo.toml

@@ -20,8 +20,10 @@ aws-credential-types = { workspace = true, features = [
 ] }
 aws_http_client.workspace = true
 bedrock.workspace = true
+chrono.workspace = true
 client.workspace = true
 collections.workspace = true
+component.workspace = true
 credentials_provider.workspace = true
 copilot.workspace = true
 deepseek = { workspace = true, features = ["schemars"] }