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/extensions_ui/src/extension_suggest.rs

@@ -77,11 +77,11 @@ fn suggested_extensions() -> &'static HashMap<&'static str, Arc<str>> {
     static SUGGESTIONS_BY_PATH_SUFFIX: OnceLock<HashMap<&str, Arc<str>>> = OnceLock::new();
     SUGGESTIONS_BY_PATH_SUFFIX.get_or_init(|| {
         SUGGESTIONS_BY_EXTENSION_ID
-            .into_iter()
+            .iter()
             .flat_map(|(name, path_suffixes)| {
                 let name = Arc::<str>::from(*name);
                 path_suffixes
-                    .into_iter()
+                    .iter()
                     .map(move |suffix| (*suffix, name.clone()))
             })
             .collect()