Improve popover implementation to match standards effort

[jpzwarte]

Fixes #466

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🦋 Changeset detected

Latest commit: cf22628

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 14 packages

Name	Type
@sl-design-system/shared	Patch
@sl-design-system/text-input	Patch
@sl-design-system/textarea	Patch
@sl-design-system/popover	Patch
@sl-design-system/tooltip	Patch
@sl-design-system/select	Patch
@sl-design-system/button	Patch
@sl-design-system/checkbox	Patch
@sl-design-system/editor	Patch
@sl-design-system/grid	Patch
@sl-design-system/radio-group	Patch
@sl-design-system/tabs	Patch
@sl-design-system/label	Patch
@sl-design-system/drawer	Patch

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