src/vs/editor/browser/view/viewOverlays.ts/MarginViewOverlays/onConfigurationChanged
class MarginViewOverlays:	public override onConfigurationChanged(e: viewEvents.ViewConfigurationChangedEvent): boolean {
		const options = this._context.configuration.options;
		applyFontInfo(this.domNode, options.get(EditorOption.fontInfo));
		const layoutInfo = options.get(EditorOption.layoutInfo);
		this._contentLeft = layoutInfo.contentLeft;
		return super.onConfigurationChanged(e) || true;
	}