merge query params with existing ones, so page does not flick back to old params when navigating with filters.
also found a bug in the backend while clicking throught the UI. the whole pagination object was passed to the subsequent query, instead of only the sorting parameter.
merge query params with existing ones, so page does not flick back to old params when navigating with filters.
also found a bug in the backend while clicking throught the UI. the whole pagination object was passed to the subsequent query, instead of only the sorting parameter.
closes #258.