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Description
Expected Behavior
When the category menu is long enough to extend beyond the view, it should automatically scroll itself to make sure the currently selected category is visible. This should occur anytime the blocks flyout scrolls or auto-scrolls, including wheel/drag/scrollbar events, clicking a category menu button (such as one that is part-way off screen), or when an extension category is added.
Actual Behavior
The category menu does not auto-scroll and categories extending below the view are hidden.
Steps to Reproduce
Shorten the window height to hide the bottom-most category.