Store correct power button release time

kestrel/src/zephyr.c

@@ -122,6 +122,8 @@ void host_power_button_pressed(const struct device *dev, struct gpio_callback *c
 		// The debounce delay has passed since last press, handle request
 		LOG_INF("Host power button pressed");
 
+		last_press = k_uptime_get();
+
 		if (want_power_on) {
 			power_on_host();
 		}
@@ -129,8 +131,6 @@ void host_power_button_pressed(const struct device *dev, struct gpio_callback *c
 			power_off_chassis(0);
 		}
 	}
-
-	last_press = k_uptime_get();
 }
 
 void host_reset_button_pressed(const struct device *dev, struct gpio_callback *cb, uint32_t pins)