Cleaned up how the camera is configured so that it can be easily queried in other parts like the autowalker.

gui/main_ui.cpp

@@ -59,7 +59,7 @@ namespace gui {
     if($rayview->play_move()) {
       $needs_render = false;
       return std::make_optional<Position>(
-          $rayview->camera_target(),
+          $rayview->camera_at,
           $rayview->aiming_at);
     } else {
       $needs_render = true;