nvda

46459420 - Fix Hims usb detection issues and scroll keys input for Polaris displays (#7865)

Fix Hims usb detection issues and scroll keys input for Polaris displays (#7865) * Work around a bug where Hims displays get in a bad state when closing the port without a timeout * More changes to deal with timeouts * Fix typo * Fix support for Hims Braille Sense Polaris scroll keys, thereby moving all supported scroll keys to the BrailleSense base model.