fix: address issue with unsync color and squares

tetri5/entity.py

@@ -354,6 +354,10 @@ class Stack(Entity):
         self.total_lines += self.lines_completed_last
 
     def draw(self, surface: pygame.Surface) -> None:
+        # only draw if squares and colors are aligned
+        if len(self._square_colors) != len(self._points):
+            return
+
         for i in range(len(self._points)):
             square = self._points[i]
             square_design = self._square_colors[i]