overflow: scroll forces scrollbars even when not needed, resulting in double scrollbars on non-apple devices and browsers.

[vidjuheffex]

The line that causes the issue is here:

https://github.com/mohammed-io/frappe-gantt-react/blob/f3c635a5beb7890c99b75ae4752fb62e1b47b259/src/FrappeGantt.tsx#L72