fix: do not dispatch backdrop click when mousedown is in details

[sissbruecker]

Description

#9665 introduced a regression where mousedown on the details content and mouseup on the internal details wrapper can result in a click and thus a backdrop-click event. This is because the internal details wrapper is a common ancestor for both mousedown and mouseup.

This change removes pointer events on the details wrapper and restores them on the details content, which allows clicking the actual backdrop.

Fixes #10702

Type of change

• Bugfix

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud

[vaadin-bot]

Hi @sissbruecker and @web-padawan, when i performed cherry-pick to this commit to 24.9, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick 1ec92b0
error: could not apply 1ec92b0... fix: do not dispatch backdrop click when mousedown is in details (#10711)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".

[vaadin-bot]

This ticket/PR has been released with Vaadin 25.1.0-alpha1.