[Bug]: Toolbar tooltip "CopySelected" is missing in pipeline metrics

### Apache Hop version?

2.18

### Java version?

21

### Operating system

Windows

### What happened?

<img width="505" height="109" alt="Image" src="https://github.com/user-attachments/assets/cbefdbe0-03b5-40be-b171-da42cc8cdb0d" />

### Issue Priority

Priority: 3

### Issue Component

Component: Hop Gui