feat: add collectMenuItemsList() to MenuRegistry

[tltv]

fixes: #19905

[github-actions[bot]]

Test Results

1 135 files  ± 0  1 135 suites  ±0   1h 27m 36s :stopwatch: + 3m 47s 7 394 tests + 2  7 344 :white_check_mark: + 2  50 :zzz: ±0  0 :x: ±0  7 731 runs   - 20  7 671 :white_check_mark:  - 20  60 :zzz: ±0  0 :x: ±0 

Results for commit 07887389. ± Comparison against base commit 5feb94b0.

This pull request removes 1 and adds 3 tests. Note that renamed tests count towards both.

``` com.vaadin.flow.server.menu.MenuRegistryTest ‑ collectMenuItems_returnsCorrecPaths ``` ``` com.vaadin.flow.server.menu.MenuRegistryTest ‑ collectMenuItems_returnsCorrectPaths com.vaadin.flow.server.menu.MenuRegistryTest ‑ getMenuItemsList_assertOrder com.vaadin.flow.server.menu.MenuRegistryTest ‑ getMenuItemsList_returnsCorrectPaths ```

:recycle: This comment has been updated with latest results.

[sonarcloud[bot]]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[vaadin-bot]

This ticket/PR has been released with Vaadin 24.5.0.