Draft: Increase Scrollbar Width

[dreamsyntax]

EXTRA THICC scrollbars (do not merge - for dream use only until properly in styles as a config override)

Opening a PR so I don't forget about this. I'll be using this fork in the interim for my own usage of R-II. In day to day use on devices without scroll capability (TV setup), Reloaded-II scrollbars are much too thin especially with 300% Scaling (common with windows->TV setup).

If current style options allow overwriting via a new theme, that is great. However the default size should have more width as its very hard to click on it even on normal monitor.

--