Update client/actions/pickupMoney.sqf

Personally, I found it annoying to return to a "standing" stance after picking up money whilst prone or crouched.
There may be reasons I am unaware of for being forced into "amovpknlmstpslowwrfldnon_amovpercmstpsraswrfldnon" but the changes I've made (should) put the player back into the stance they were in before picking up the money.

I am inexperienced and there are probably 101 better ways to do this but it seems to work well in my tests.