fix #4545 remove source mapping comment from html2canvas (#4547)
fix #4545 remove source mapping comment from html2canvas (#4547)

Co-authored-by: garsuga <ae418af9ef773348988718be40d41905077d8fbf@radiasoft.net>
radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo