Open-event-frontend: Public Speakers Page/Scheduler Links, Add Weekdays, Add links to Scheduler Section, Correct Font Color

[mariobehling]

• Add the weekday to the date/time info
  e.g. add "Tuesday, " before "22 Sep 2020"
• Fix color display of font - show the font in white with dark background and in black with bright background (same as in organizer schedule)
• Link the session name to the session link in the schedule (not the session page, but the schedule itself), same as in the website generated version

Compare colors here.

[iamareebjamal]

Our schedule page is implemented using fullcalendar, so it is not possible to link to any event.

Since, the sessions page will look more like website generator schedule as mentioned in #4808, we'll link to that page instead as mentioned in #4000

The session used to link to the extended session description on the "sessions page". It is not linked now.

[maze-runnar]

Working on it.