To avoid that an event is not show if there is still a NEED-ACTION tag

on it.
This action could occure if:
- we have imported an ICS inside the calendar with this line present
- we have a "buggy" implementation of vcard (by example, with davmail
  between a EWS server and the client).

Related to #152
7 jobs for !46 with 152-change-filter-avoid-invisible-event in 6 minutes and 15 seconds (queued for 6 seconds)
latest merge request