When you mention the scroll bar are you talking about in the preview or the editor? There shouldn't be a horizontal scroll bar anywhere, so we should fix that. Also, what browser are you using?
Google Chrome 128.0.6613.120 (Official Build) (64-bit) (cohort: Stable)
Windows 11 Version 23H2 (Build 22631.4112)
Issue does not occur in Firefox on the same system since it seems to default to overlay scrollbars.