macOS 2021.10 Active binary sensor might not be working correctly

**Device model, version and app version**
Model Name: iMac 27 late 2013
macOS Version: Big Sur
App Version: HA macOS app 2021.10 (2021.247)
Safari Version: Safari 15

**Home Assistant Core Version**
core-2021.10.4

**Describe the bug**
The sensor binary_sensor.[device_name]_active will go off after a few minutes without touching the mouse or keyboard, even if you are for example watching a youtube video and the screen is completely on

**To Reproduce**
Wait for a few minutes without touching mouse or keyboard

**Expected behavior**
Turn off the sensor once the iMac actually goes to sleep or dims the screen (a few seconds before going to sleep)