No, and this distinction is usually lost in second-hand accounts. For Belarusian citizens the list of grounds is markedly wider, including registration as a sole trader, board and management positions, study and medical treatment.
In other words, a Belarusian freelancer in Latvia usually still has a domestic option that a Russian one does not.
That does not mean the question is settled: deadlines and general requirements affect everyone. But your starting position differs, and in a consultation we work from your actual citizenship rather than the general picture.