Can no longer use fire extinguisher closet without hands

If you did not have hands,you could click on a emergency closet and have it spawn in your hand,and it would stay there,floating.
Cool,right?
Also fixes paperbin without hands

Whee.
Cannot wash your missing hands anymore

M as mob changed to user as mob; don't know why it was shortened to 1 letter,but eh.
Merge pull request #4660 from Jarcolr/patch-2

Can no longer use fire extinguisher closet without hands