message: fix(es/codegen): Fix SX spread props
diff: @@ -79,7 +79,11 @@ impl<'a> Emitter<'a> {
  fn emit_jsx_attr_or_spread(&mut self, node: &JSXAttrOrSpread) -> Result {
  match *node {
  JSXAttrOrSpread::JSXAttr(ref n) => emit!(n),
  - JSXAttrOrSpread::SpreadElement(ref n) => emit!(n),
  + JSXAttrOrSpread::SpreadElement(ref n) => {
  + punct!("{");
  + emit!(n);
  + punct!("}");
  + }
  }
  }
  