* fix: correct meeting attendance calculations
* test: change meetingregistration factory defaults
* test: Setup stats tests to verify counts honor meeting.Attended
But the tests aren't actually looking to see what numbers get generated yet.
* test: add test for attendance cross-talk between meetings
* fix: limit attendance count query to single meeting
* refactor: rename attendance.online to .remote
* fix: only count a given person as onsite or remote, but never both
* test: align tests with cleanup
Co-authored-by: Jennifer Richards <jennifer@painless-security.com>