Disorder for the new Stack function

a random Disorder for the list of stack items could be a nice feature.

(repeat it 3 times):

DVD,pad,bluray->DVD,pad,bluray->DVD,pad,bluray


3 items -> repeat it 3 times (x) with list disorder (x) only combination, no double

DVD,pad,bluray ->DVD,bluray,pad->pad,DVD,bluray

3 items -> repeat it 3 times (x) with list disorder ( ) only combination

DVD,DVD,bluray ->pad,bluray,pad->pad,DVD,bluray