Force preloaded game piece to CONE_UP when already LOADED

Change-Id: I7042e032a392572da922c44f9c6e174876b98121
Signed-off-by: James Kuszmaul <jabukuszmaul+collab@gmail.com>
diff --git a/y2023/control_loops/superstructure/end_effector.cc b/y2023/control_loops/superstructure/end_effector.cc
index 8628359..43f3d24 100644
--- a/y2023/control_loops/superstructure/end_effector.cc
+++ b/y2023/control_loops/superstructure/end_effector.cc
@@ -36,6 +36,9 @@
         state_ = EndEffectorState::LOADED;
         break;
       case EndEffectorState::LOADED:
+        // In case we thought we had a cube, force it to cone.
+        game_piece_ = vision::Class::CONE_UP;
+        break;
       case EndEffectorState::SPITTING:
         break;
     }