forgot to remove code used for debugging, can now move items again

src/simudator/gui/cpu_graphics_scene.py

@@ -98,8 +98,7 @@ class CpuGraphicsScene(QGraphicsScene):
         return self.signal_graphics_items
 
     def mousePressEvent(self, event):
-        event.ignore()
-        # super().mousePressEvent(event)
+        super().mousePressEvent(event)
 
     def load_layout_from_file(self, file_path: str) -> None:
         file = open(file_path)