Prison Egg bump exception

Always bump the player when colliding with stationery prison eggs.
To keep compatibility with the recorded staff ghosts, for now, this will only apply when in tutorials.

src/k_kart.c

@@ -853,6 +853,17 @@ static boolean K_JustBumpedException(mobj_t *mobj)
 			return Obj_SA2CrateIsMetal(mobj);
 		case MT_WALLSPIKE:
 			return true;
+		case MT_BATTLECAPSULE:
+		{
+			if (gametype == GT_TUTORIAL // Remove gametype check whenever it's safe to break compatibility with ghosts in a post-release patch
+			&& mobj->momx == 0
+			&& mobj->momy == 0
+			&& mobj->momz == 0)
+			{
+				return true;
+			}
+			break;
+		}
 		default:
 			break;
 	}