🚨 Fix clippy warnings

src/components/contacts_window/contacts_section.rs

@@ -64,7 +64,7 @@ pub fn ContactsSection<'a>(
 
     let show = use_state(cx, || false);
 
-    let classes = vec![
+    let classes = [
         ClassName::SECTION,
         if **show { ClassName::ACTIVE } else { "" },
     ]
@@ -86,7 +86,7 @@ pub fn ContactsSection<'a>(
         let formatted = format!(
             "{room_name} - {}",
             if is_invited {
-                format!("Invited - ")
+                "Invited - ".to_string()
             } else {
                 "".to_string()
             }