Issue with the "Show Text" node

I found that in ComfyUI, when I press Ctrl+Z to undo, all the custom titles of the display text boxes revert back to "show text".

<img width="2619" height="1703" alt="Image" src="https://github.com/user-attachments/assets/c5a16480-55bd-4495-a99f-e3c9323e04e8" />

<img width="2478" height="1700" alt="Image" src="https://github.com/user-attachments/assets/b12649cf-2f66-4546-8f13-c5a98fef9047" />