Update convert_to_guarded_return tests

Author: A4-Tacks

crates/ide-assists/src/handlers/convert_to_guarded_return.rs

@@ -421,14 +421,16 @@ fn main() {
     if$0 let Ok(x) = Err(92) {
         foo(x);
     } else {
-        return ;
+        // needless comment
+        return;
     }
 }
 "#,
             r#"
 fn main() {
     let Ok(x) = Err(92) else {
-        return ;
+        // needless comment
+        return;
     };
     foo(x);
 }