style: remove needless borrow

Author: davidkurilla

src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_braces.rs

@@ -40,7 +40,7 @@ pub(crate) fn add_braces(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<(
         expr.syntax().text_range(),
         |builder| {
             let make = SyntaxFactory::new();
-            let mut editor = builder.make_editor(&expr.syntax());
+            let mut editor = builder.make_editor(expr.syntax());
 
             let block_expr = make.block_expr(None, Some(expr.clone()));
             block_expr.indent(expr.indent_level());