Map PDA_MOVE actions only to arrows on keyboard to allow player to move

Initially, I mapped them to WASD also, which prevented player from movement when PDA is open.

src/xrEngine/xr_level_controller.cpp

@@ -1004,10 +1004,10 @@ class CCC_DefControls : public CCC_UnBindAll
 
         // PDA:
         { kPDA_MAP_MOVE,            { SDL_SCANCODE_UNKNOWN, SDL_SCANCODE_UNKNOWN,       XR_CONTROLLER_AXIS_RIGHT } },
-        { kPDA_MAP_MOVE_LEFT,       { SDL_SCANCODE_A,       SDL_SCANCODE_LEFT,          XR_CONTROLLER_BUTTON_INVALID } },
-        { kPDA_MAP_MOVE_RIGHT,      { SDL_SCANCODE_D,       SDL_SCANCODE_RIGHT,         XR_CONTROLLER_BUTTON_INVALID } },
-        { kPDA_MAP_MOVE_UP,         { SDL_SCANCODE_W,       SDL_SCANCODE_UP,            XR_CONTROLLER_BUTTON_INVALID } },
-        { kPDA_MAP_MOVE_DOWN,       { SDL_SCANCODE_S,       SDL_SCANCODE_DOWN,          XR_CONTROLLER_BUTTON_INVALID } },
+        { kPDA_MAP_MOVE_LEFT,       { SDL_SCANCODE_UNKNOWN, SDL_SCANCODE_LEFT,          XR_CONTROLLER_BUTTON_INVALID } },
+        { kPDA_MAP_MOVE_RIGHT,      { SDL_SCANCODE_UNKNOWN, SDL_SCANCODE_RIGHT,         XR_CONTROLLER_BUTTON_INVALID } },
+        { kPDA_MAP_MOVE_UP,         { SDL_SCANCODE_UNKNOWN, SDL_SCANCODE_UP,            XR_CONTROLLER_BUTTON_INVALID } },
+        { kPDA_MAP_MOVE_DOWN,       { SDL_SCANCODE_UNKNOWN, SDL_SCANCODE_DOWN,          XR_CONTROLLER_BUTTON_INVALID } },
 
         { kPDA_MAP_ZOOM_IN,         { SDL_SCANCODE_Z,       SDL_SCANCODE_KP_PLUS,       XR_CONTROLLER_AXIS_TRIGGER_RIGHT } },
         { kPDA_MAP_ZOOM_OUT,        { SDL_SCANCODE_C,       SDL_SCANCODE_KP_MINUS,      XR_CONTROLLER_AXIS_TRIGGER_LEFT } },