Add clear all example to ComboBox docs

[ThusharaJ07]

Implements #3307

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Name	Status	Preview	Comments	Updated (UTC)
saltdesignsystem	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 5, 2024 10:41am

[origami-z]

When i use keyboard to toggle "Select All" option (https://62565e7f.saltdesignsystem-storybook.pages.dev/?path=/story/core-dropdown--select-all), focus is changed to the 2nd item. Is it the intent?

[ThusharaJ07]

When i use keyboard to toggle "Select All" option (https://62565e7f.saltdesignsystem-storybook.pages.dev/?path=/story/core-dropdown--select-all), focus is changed to the 2nd item. Is it the intent?

Hey @origami-z , this is an existing issue in dropdown which Shey said will have a word with the team separately. not related to this example.

[origami-z]

Hey @origami-z , this is an existing issue in dropdown which Shey said will have a word with the team separately. not related to this example.

I can only see the issue in dropdown but not combobox, is it to do with key ?