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/settings/src/settings_store.rs

@@ -926,7 +926,7 @@ fn update_value_in_json_text<'a>(
         }
     } else if key_path
         .last()
-        .map_or(false, |key| preserved_keys.contains(&key))
+        .map_or(false, |key| preserved_keys.contains(key))
         || old_value != new_value
     {
         let mut new_value = new_value.clone();