Horizontal scroll bar is visible, but doesn't move with cursor/current-cell.

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ADMIN EDIT

Applies also to vertical scrolling with or without row virtualization (e.g., using InCell edit mode, pressing Enter will open the next row for editing, but it will not work out with row virtualization at all after the current viewport, and without virtualization you will not see what's happening until you start typing and the browser calls .scrollIntoView() for the editor)

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