Fix bug modifing input volume on autocrop
Fix bug modifing input volume on autocrop

JohnGriffiths/dipy,beni55/dipy,nilgoyyou/dipy,rfdougherty/dipy,mdesco/dipy,nilgoyyou/dipy,JohnGriffiths/dipy,matthieudumont/dipy,Messaoud-Boudjada/dipy,jyeatman/dipy,samuelstjean/dipy,StongeEtienne/dipy,villalonreina/dipy,rfdougherty/dipy,samuelstjean/dipy,Messaoud-Boudjada/dipy,FrancoisRheaultUS/dipy,oesteban/dipy,beni55/dipy,demianw/dipy,villalonreina/dipy,StongeEtienne/dipy,FrancoisRheaultUS/dipy,mdesco/dipy,sinkpoint/dipy,jyeatman/dipy,oesteban/dipy,samuelstjean/dipy,demianw/dipy,sinkpoint/dipy,matthieudumont/dipy