Docs (dropdown): Images on style tab for select all functionality

[benjamin-kurien]

Closes #3974

Images on style tab for Dropdown component has been updated - to be consistent with select all functionality.

Changelog

Changed

The following images have been changed, to include the "All" checkbox in the examples

• Dropdown variant examples: default, inline, multiselect, combo box.
• Multiselect dropdown states
• Structure and spacing measurements for a multiselect dropdown

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
carbondesignsystem	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 8, 2024 1:50pm

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[laurenmrice]

When a dev have time, could you try to help with getting the vercel preview to show the image changes? For some reason the images are not updating in the preview. @guidari @tay1orjones

[laurenmrice]

Looks good! Thanks Benjamin 🎉

[Kritvi-bhatia17]

Hey Benjamin! great work 🔥
Just a small point - Could you please double-check if the focus state implemented here aligns with our last focus state discussion in the CAG call? As a recap from our conversation, we decided not to place focus on the first option in the open menu in Figma if nothing is selected. Thanks for verifying this!

[Kritvi-bhatia17]

Same over here as well, thanks.