Filtering by Category doesnt paginate correctly on the backend

Looks as though we had mistakenly added a posts per page onto the pre_get_posts filter that was limiting not just the front end, but the backend too.

We simply wrapped that code with !is_admin() and we were good to go!

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)