MMM-CalendarExt3 issue Loading / Showing the calendar on Windows

[MMRIZE]

@sdetweil
I was happy to use a new feature toSorted but ppl may have trouble with compatibility issue. I’ll provide fallback codes in the next update.

[sdetweil]

@MMRIZE we have this problem in general… mm used to display on TV’s and ipads/ android tablets… but as we’ve moved to ES6 level js, they no longer work… I find this a sad state for MM… (but I like the new ES6 support)