feat(trigger-api): the trigger-api service serves the inbound hook from a Request, and the self-hosted route is read from http.server first (trigger-api segment 3 of ruling A on #22757)

feat(trigger-api): the trigger-api service serves the inbound hook from a Request, and the self-hosted route is read from http.server first (trigger-api segment 3 of ruling A on #22757) #19576