Changes at "Send reminders to registered meeting participants"

Is your feature request related to a problem? Please describe.
Want to ensure that meeting registrants are reminded of meeting.

Describe the solution you'd like
Administrator has option to set 1 hour and 24 hour reminders for meetings. Registered meeting participants with appropriate notifications settings will receive email and/or reminder notifications.

Describe alternatives you've considered
Participants still have options to set-up own reminders using their own calendars.

Additional context

Does this issue could impact on users private data?
No

Funded by
If funding is available, please indicate here which organization is funding it