DolphinQt: Move Free Look out of Graphics/Hotkey and into its own configuration window. Launched from a new menu option - "Free Look Settings". The HotKeyScheduler still calls the Free Look functionality to reduce the total number of threads

Source/Core/DolphinQt/Config/Mapping/FreeLookGeneral.h

@@ -0,0 +1,21 @@
+// Copyright 2020 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "DolphinQt/Config/Mapping/MappingWidget.h"
+
+class FreeLookGeneral final : public MappingWidget
+{
+  Q_OBJECT
+public:
+  explicit FreeLookGeneral(MappingWindow* window);
+
+  InputConfig* GetConfig() override;
+
+private:
+  void LoadSettings() override;
+  void SaveSettings() override;
+  void CreateMainLayout();
+};