bug fixes and performance improvements

• add safety check for attributes in voevent_utils.py (https://ligo-caltech.sentry.io/issues/6239128446/?project=1456379)
• increase performance of listing superevent logs (7f5e340d)
• optionally enable sentry distributed tracing (6890ec40)
• fix some N+1 queries that sentry found (596431fa, 63e202bd)
• fix javascript response text when adding log message on the web (6614f39d)
• gunicorn fix for "Request line too long" error (b8079f5f)
• catch case of malformed authorization header (78d87015)
• fix beta reports page to actually filter for production g-events (49040a53)