feat: expose global recomputeAllPoppers helper

[antfu]

Currently, Floating Vue is already calling this function on the window resize event. While in some cases, user might want to trigger this manually in cases like tab switch or the others.

For example https://twoslash.netlify.app/refs/notations, when you click the Input Code on the first tab group, you will see the popup still persist.

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[Akryum]

I'm not sure I understand the link between the issue and recomputeAllPoppers. Would the correct behavior be to hide the popper?

[antfu]

Current behavior:

Screen.Recording.2024-01-16.at.10.11.57.mov

Expected behavior:

Screen.Recording.2024-01-16.at.10.12.57.mov

This PR itself does not fix the issue but adds the capability of it. Users could add the call to recomputeAllPoppers on tab switch.

[antfu]

A temporary workaround we have: twoslashes/twoslash@0e8ceca

[Akryum]

Wouldn't it be better to observe visibility on target?

[antfu]

Wouldn't it be better to observe visibility on target?

That would do, are you ok with enabling it by default for listening to every element?