gateway: util function to do gateway offload stuff

API: fire SB_SESSION_REMOVE upon logging out a session

Gateway: add SB_SESSION_CLOSE and SB_SESSION_INVALIDATE events

Gateway: allow addressing dispatch events to specific sessions

Gateway: include entity counts in trace names

Factor out getMostRelevantSession

fix op43

Gateway: implement op43

requestguildmembers: immediately send data instead of buffering

requestguildmembers: dont forget user relation, lol

requestguildmembers: assign presence list directly without for loop

requestguildmembers: select only relevant data

requestguildmembers: track member count properly

requestguildmembers: log chunks

requestguildmembers: bulk query sessions

fix: fall back to undefined in message create

sticker impl

when guild region is misconfigured, fallback to default region

gateway should not crash for clients that send Op 37 with missing channel ranges, instead ignore

Fix guild settings not using .save, nor beign awaited

Fix indents in interactions copyright notice

Dont serialise guild parents

Dont serialize discovery weight/exclusion status

[rel/1518] Allowed mentions + message reference: allow nulls

[rel/1518] Member flags

[rel/1518] make PartialEmoji accept id-only

[rel/1518] Interaction failure reason enum, add missing copyright headers

[cherry/1518] Webhooks: respect thread_id parameter

temp hack: ...and dont forget to save it

temp hack: maybe set the right did