Fix #4525 - wantButtons not set (#4542)
Fix #4525 - wantButtons not set (#4542)

Co-authored-by: mkeilman <27f9cd1e113e9d2b85b316f662971e5749820fe4@radiasoft.net>

Limited change so I'll merge
radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo