Fixed arrow colors for the decrement buttons (both horizontal and vertical), they were Gray2 instead of Gray3, which meant they weren't visible using light themes. Also added a missing DisabledElement rectangle.
Fixed arrow colors for the decrement buttons (both horizontal and vertical), they were Gray2 instead of Gray3, which meant they weren't visible using light themes. Also added a missing DisabledElement rectangle.

xxMUROxx/MahApps.Metro,jumulr/MahApps.Metro,ye4241/MahApps.Metro,p76984275/MahApps.Metro,chuuddo/MahApps.Metro,psinl/MahApps.Metro,Danghor/MahApps.Metro,pfattisc/MahApps.Metro,Evangelink/MahApps.Metro,Jack109/MahApps.Metro,MahApps/MahApps.Metro,batzen/MahApps.Metro