Dialog opening should never dismiss tour popups

[avvvvve]

Related to #26282 which introduced the tours system.

Bug

See video. After the new tour popup appears, the announcement dialog appears seconds later and in doing so, takes focus away from the main app window which dismisses the tour popup.

Screen.Recording.2025-02-04.at.10.05.05.AM.mov

Solution

The tour popup should not be dismissed when focus is moved away from the main app window. They should also not be dismissed when clicking outside of them.

Other types of popups can still be dismissed the ways above, but tours specifically must only be dismissed when the user either:

• clicks the buttons that closes it (in this case, "Got it") OR
• clicks one of the note input buttons

(It should probably stay open when 'Watch video' is clicked)

FYI @bkunda - want to make sure you're good with the approach above!

What is the latest version of MuseScore Studio where this issue is present?

Nightly

Regression

No.

Operating system

macOS 15

Checklist

• This report follows the guidelines for reporting bugs and issues
• I have verified that this issue has not been logged before, by searching the issue tracker for similar issues
• I have attached all requested files and information to this report
• I have attempted to identify the root problem as concisely as possible, and have used minimal reproducible examples where possible