UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10302.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3319.0 Safari/537.36
Platform: 10302.0.0 (Official Build) dev-channel sentry

Steps to reproduce the problem:
1. Clicking the home button 
2. Moving the cursor
3. 

What is the expected behavior?
The Peeking Launcher should be able to be accessed and not to be "dragged down" automatically

What went wrong?
Same as one-line summary; The Peeking Launcher disappears immediately after clicking the Home button and can't be accessed

Did this work before? Yes Chrome OS - Beta channel, January 11, 2018 release

Chrome version: 65.0.3319.0  Channel: n/a
OS Version: 10302.0.0
Flash Version: 28.0.0.142