Fix a bunch of other low-hanging style lints (#36498)

- **Fix a bunch of low hanging style lints like unnecessary-return**
- **Fix single worktree violation**
- **And the rest**

Release Notes:

- N/A

crates/language_models/src/provider/cloud.rs

@@ -270,7 +270,7 @@ impl State {
         if response.status().is_success() {
             let mut body = String::new();
             response.body_mut().read_to_string(&mut body).await?;
-            return Ok(serde_json::from_str(&body)?);
+            Ok(serde_json::from_str(&body)?)
         } else {
             let mut body = String::new();
             response.body_mut().read_to_string(&mut body).await?;