The raiser may get stuck on some element.

[catakot]

Subject of the issue

The raiser may get stuck on some item. To turn it on again, the user have to find this item and move the cursor out from this element. After that, the resizer will work properly.
Possible cause https://stackoverflow.com/questions/7448468/why-cant-i-reliably-capture-a-mouseout-event

Your environment

"gridstack": "^12.2.1",
Tested on

• Safari 15.6.1 the most easily reproducible
• Chrome 137.0.7151.122 less frequently reproduced

Steps to reproduce

Create long grid with subgrids.
Move cursor over resizable item
Swipe (scroll) fast to the top o bottom of the grid.
Perhaps the resizer is stuck on the first element. It will be impossible to resize of other elements.

Expected behavior

It is possible to resize of other elements.

[adumesny]

your fix was incorrect as it breaks all nested grid. you must provide running example showing issue