Leave the stack of ingredients or potions grabbed after using an ingredient/potion
ability to take a batch of similar ingredients/potions and use them all at once, by dropping the ingredients on the character portrait in menumode.
make a limit, if it cause engine strain, limit the amount of items that can be used instantly, say 50.
-saves time -less clicking
(RM-4082 from redmine: created on 2017-09-06 by Randy Davin, , closed on 2017-10-22 by Łukasz Gołębiewski)