Core::GetState: Avoid Global System Accessor

Source/Core/DolphinQt/InfinityBase/InfinityBaseWindow.cpp

@@ -46,7 +46,7 @@ InfinityBaseWindow::InfinityBaseWindow(QWidget* parent) : QWidget(parent)
 
   installEventFilter(this);
 
-  OnEmulationStateChanged(Core::GetState());
+  OnEmulationStateChanged(Core::GetState(Core::System::GetInstance()));
 };
 
 InfinityBaseWindow::~InfinityBaseWindow() = default;