Hoover scroll enabled unintentionally

[tdndtd]

Enable side bar and auto hide panels, open an image or a file, open a menu bar, click on left or right side of app (where side bars should be if not hidden), move mouse on screen and hoover scroll is enabled, click anywhere and it is disabled.

Tested on 40.7 and on canary 0310.

[Ito Mitsuhiro]

Thank you for your report.

Phenomenon confirmed. We will fix it.

[Ito Mitsuhiro]

マウスボタンを離していても長押しモードに入ってしまうことがある不具合修正 (fixed #1504)

→ <<cset fbcd6097890d>>