calendar: make PresencePeriod support timezone with daylight saving

 - update PresencePeriod.getNextPeriodicalDate with fixes from 6155f7ff
 - do not use addToDate, but simply DateTime arithmetics that unlike addToDate, works correctly
1 job for calendar_period_repeat_over_daylight_saving_time_switch in 0 seconds
Status Job ID Name Coverage
  External
failed XXX-calendar-exception-when-no-repeat-then-more-exceptions

01:41:09