chore: Fix several style lints (#17488)

It's not comprehensive enough to start linting on `style` group, but
hey, it's a start.

Release Notes:

- N/A

crates/project/src/prettier_support.rs

@@ -49,9 +49,7 @@ pub(super) async fn format_with_prettier(
         .ok()?
         .await;
 
-    let Some((prettier_path, prettier_task)) = prettier_instance else {
-        return None;
-    };
+    let (prettier_path, prettier_task) = prettier_instance?;
 
     let prettier_description = match prettier_path.as_ref() {
         Some(path) => format!("prettier at {path:?}"),
@@ -262,10 +260,10 @@ fn start_default_prettier(
                         });
                     new_default_prettier
                 })?;
-                return Ok(new_default_prettier);
+                Ok(new_default_prettier)
             }
             ControlFlow::Break(instance) => match instance.prettier {
-                Some(instance) => return Ok(instance),
+                Some(instance) => Ok(instance),
                 None => {
                     let new_default_prettier = project.update(&mut cx, |project, cx| {
                         let new_default_prettier =
@@ -277,7 +275,7 @@ fn start_default_prettier(
                             });
                         new_default_prettier
                     })?;
-                    return Ok(new_default_prettier);
+                    Ok(new_default_prettier)
                 }
             },
         }