customserver: preemtively run GC before starting room #3637
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What is this fixing or adding?
GC seems to be lazy.
How was this tested?
Adding a weakref with callback to ctx and to auto_save_thread and watching it not trigger before the change while there is no pressure, and then watching it actually trigger after the change whenever hosting a new room.
Side note:
gc.collect(0)
should be the cheapest variation and is already enough to find the two objects.