Issue #59750 by quietone, larowlan, mikeryan, quicksketch, sreynen, kleinmp,...

Issue #59750 by quietone, larowlan, mikeryan, quicksketch, sreynen, kleinmp, kim.pepper, Bèr Kessels, chx, S3b0uN3t, ravi.shankar, mrddthi, webchick, neclimdul, Lendude: Required flag on file forms breaks on validation

(cherry picked from commit a5b44e8f)