This only works if we know the actual refresh rate of the display.
However, in a wine virtual desktop or with proton's fshack, this
is often not the case, so we'd see a 60 Hz mode on a high-refresh
rate display and never actually enable the limiter.
Defaults to a sleep granularity of 0.5ms, which is slightly on the cautious side.
Calls through to std::this_thread::sleep_for directly, which calls through to nanosleep.
