* fix: handle JSON string name field from URL prefill for firstAndLastName variant * refactoring logic * improve test coverage * remove unnecessary comment --------- Co-authored-by: Maks Pikov <mixelburg@users.noreply.github.com> Co-authored-by: Romit <romitgabani1.work@gmail.com> Co-authored-by: Romit <85230081+romitg2@users.noreply.github.com>