The first member of a dynamic group decides which conferencing app the group
booking uses. getPublicEvent read users[0] straight from findUsersByUsername,
which does not guarantee the order given in the URL, so /alice+bob could end up
using bob's preference — or fall back to Cal Video when only alice has one set.
handleNewBooking already sorts by the dynamic user list for this exact reason
(sortUsersByDynamicList in getLocationValuesForDb.ts). Applying the same order
here keeps the advertised location and the booked location in sync.
Paul Albrecht
569a389e84