make it possible to clear earmarks
Previously only the regular popover would have a "clear" option if activated on a cell with a number set, now this is also the case for the earmark popover if a cell has one or more earmarks.
Previously only the regular popover would have a "clear" option if activated on a cell with a number set, now this is also the case for the earmark popover if a cell has one or more earmarks.