Tooltips on elements in notifications render below the notification overlay

[rolfsmeds]

Description

Expected outcome

Tooltips should always render on top of everything else.

Minimal reproducible example

Notification n = new Notification();
Button notifBtn = new Button("Do something");
notifBtn.setTooltipText("Alt-S");
n.add(notifBtn);
n.setOpened(true);

Steps to reproduce

Add the above snippet to a Flow app, and hover over the button.

Environment

Vaadin version(s): 24.0

Browsers

Issue is not browser related