[BUG] Sample notebooks does not honor the data source selected

[SuZhou-Joe]

What is the bug?

Add sample notebooks does not honor the data source selected, it is still using the default data source for the data source selector.

How can one reproduce the bug?

20250605133332623.mp4

What is the expected behavior?
The selector should honor the data source selected

What is your host/environment?

• OS: [e.g. iOS]
• Version [e.g. 22] 3.0.0
• Plugins

Do you have any screenshots?
If applicable, add screenshots to help explain your problem.

Do you have any additional context?
Add any other context about the problem.