When the menu bar that has its contents expanded and is relatively populated is opened and closed multiple times some of the graphics of the menu bar remains when testing with IE11.
1. Start Liferay and use IE11
2. Expand categories in the Control Panel so there is a scroll bar in the side bar.
3. Repeatedly open and close the side bar until the behavior occurs
Expected Result: The side bar will disappear as expected when closed
Actual Result: Part of the side bar graphics remains