Make table cell attributes like data-sort-value editable
Example: After using VE to edit a table cell ( https://de.wikipedia.org/w/index.php?title=Liste_der_Stolpersteine_im_K%C3%B6lner_Stadtteil_Ehrenfeld&diff=prev&oldid=142326993 ) I needed another edit w/o VE to edit the cell attribute ( https://de.wikipedia.org/w/index.php?title=Liste_der_Stolpersteine_im_K%C3%B6lner_Stadtteil_Ehrenfeld&diff=next&oldid=142326993 )