Ticket24308 035: Allower lower values for MaxMemInQueues
This is a MR to allow relays and clients to set lower values for MaxMemInQueues. This is of interest to mobile use-cases, especially on IOS.
I say we should merge this to 0.4.4 or or 0.4.5 for now, but keep it in reserve in case we need it in older branches.
Closes #24308 (closed).