laptop16: Detect powerbutton short-press immediately

This works because there was a release. We immediately trigger on button
release.
Long-press to shut off still works because that triggers based on
timeout without the need to release.

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

src/state_machine.rs

@@ -1162,7 +1162,7 @@ pub fn start(
 
         // Detect short press of power button
         // Short press (or ESC) will exit and boot (skip all further checks)
-        let short_press = (!button_pressed && state.prev_pressed && long_press == 1)
+        let short_press = (!button_pressed && state.prev_pressed)
             || state.keypress == Some(Key::Special(ScanCode::ESCAPE));
         match (short_press, state.frame.clone()) {
             // Reboot