Show the size of all the items in the folder if the selection is empty. Update the displayed size when the user clicks Escape and the selection is already empty.  This is used to manually update the display without having to select and deselect an item.
Show the size of all the items in the folder if the selection is empty.
Update the displayed size when the user clicks Escape and the selection is already empty.  This is used to manually update the display without having to select and deselect an item.
christopherjr/file-size,christopherjr/file-size,christopherjr/file-size