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/ui/src/components/context_menu.rs

@@ -212,16 +212,16 @@ impl ContextMenu {
 
     pub fn confirm(&mut self, _: &menu::Confirm, cx: &mut ViewContext<Self>) {
         let context = self.action_context.as_ref();
-        match self.selected_index.and_then(|ix| self.items.get(ix)) {
-            Some(
-                ContextMenuItem::Entry {
-                    handler,
-                    disabled: false,
-                    ..
-                }
-                | ContextMenuItem::CustomEntry { handler, .. },
-            ) => (handler)(context, cx),
-            _ => {}
+        if let Some(
+            ContextMenuItem::Entry {
+                handler,
+                disabled: false,
+                ..
+            }
+            | ContextMenuItem::CustomEntry { handler, .. },
+        ) = self.selected_index.and_then(|ix| self.items.get(ix))
+        {
+            (handler)(context, cx)
         }
 
         cx.emit(DismissEvent);