Support focus callbacks for collection items #9330
Description
Provide a general summary of the feature here
Support focus callbacks for collections components (e.g. MenuItem).
🤔 Expected Behavior?
When a MenuItem (or other collection component) is focused via keyboard, a focus callback should be fired.
😯 Current Behavior
Currently, MenuItem does not support focus callbacks but does support hover callbacks, so this would enable both mouse and keyboard/voiceover accessibility.
💁 Possible Solution
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🔦 Context
When mouse hovering or keyboard arrow key navigating through a menu collection, a preview of some sort may want to be displayed with the currently highlighted menu item. While this is possible with the mouse (via hover callbacks), the focus callbacks would enable this for keyboard/voiceover.
💻 Examples
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🧢 Your Company/Team
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🕷 Tracking Issue
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