71e2495e - Use new flag in js-sdk to look at the last read receipt the server actually has and ignore implicit ones, otherwise we can end up not sending an RR because we think there's already a more recent one, even though that one is implicit.
Use new flag in js-sdk to look at the last read receipt the server actually has and ignore implicit ones, otherwise we can end up not sending an RR because we think there's already a more recent one, even though that one is implicit.