message: fix(css/parser): Fix infinite loop about `@import` and `layer`
diff: @@ -1868,6 +1868,8 @@ where
  let start = self.input.cur_span().lo;
  let mut name = vec![];
  + let entered = is!(self, Ident);
  +
  while is!(self, Ident) {
  let span = self.input.cur_span();
  let token = bump!(self);
  @@ -1889,6 +1891,11 @@ where
  }
  }
  + if !entered {
  + // if first argument is not ident, without bump! will cause infinite loop
  + bump!(self);
  + }
  +
  Ok(LayerName {
  name,
  span: span!(self, start),
  