Enable noscroll when noexpand.

I'm not sure what is your actual intention. However, the 2nd argument of `moveToPost` is `noscroll` and the 2nd argument of `cdmScrollToArticleId` is `force`, which means to force to scroll. So, I feel it is natural to pass `!noscroll` as the 2nd argument of `cdmScrollToArticleId`.

If just the number of the argument of `moveToPost` is important and `next_article_noexpand` does not imply noscroll though it calls `moveToPost` with true as the 2nd argument, I will add functions like `next_article_noexpand_noscroll`.