More fixes for empty table rows and cells while sorting.
Fixes bug where exporting Actors to a Compendium triggered rendering of the Character Creator app.
Adds support for Item Piles: Ignores equipment affordability if Actor is an Item Pile or NPC. Removes "Edit Character Build" and "Advance Character" context menu options from Item Pile Actors.
Adds "Advance Extra" context menu option for Extras (see Allies in SWADE).