message: Fix bug where the tab bar buttons would unnecessarily appear
diff: @@ -145,7 +145,7 @@ export class TabWidget extends ThemeableElementBase {
  }
  private _handleTabbarResize(target: Element, contentRect: DOMRectReadOnly): void {
  - this._setShowButtons(target.clientWidth !== target.scrollWidth);
  + this._setShowButtons(target.scrollWidth > target.clientWidth);
  }
  private _setShowButtons(show: boolean): void {
  