Writing error on holdings registers.

Double click on holding register, shows wrong data but via extension is ok.

<img width="643" height="281" alt="Image" src="https://github.com/user-attachments/assets/d2ccab25-590a-4170-93a1-1bb498a409db" />

<img width="642" height="275" alt="Image" src="https://github.com/user-attachments/assets/d2d7b8a9-e961-40d0-955e-8fbcd768fd34" />