Add text-base md:text-sm to all native <input> and <select> elements
in the draft room (including the ShadCN SelectTrigger) so iOS Safari
doesn't auto-zoom when focused.
Also extract the two near-duplicate participant selection dialogs into
a shared ParticipantSelectionDialog component (-236 lines), and replace
O(n) queue.find() scans with a memoized Map in AvailableParticipantsSection.
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
