Subject of the issue

If the GridItem is in the 12th (and last) column, when resize with sw handler, this action trigger both drag and resize. In this way the GridItem go out from the gridstack

Your environment

gridstack v3.2.0, HTML5

Steps to reproduce

demo: https://jsfiddle.net/rob4e7z6/
resize from bottom left the last GridItem

.

Expected behavior

What happens with resize from bottom right. The GridItem may set his width and not drag

Actual behavior

It will trigger both drag and resize. In this way the GridItem go out from the gridstack