Command palette: Make wider

[dsas]

Making the command palette wider than it is taller feels more natural for this kind of tool.

Related to #90931

Proposed Changes

Make the command palette wider - up to 640px depending upon the screen width..

Why are these changes being made?

Having it wider than it is taller feels more natural.

Testing Instructions

Calypso

1. Use calypso live link
2. Go to calypso page and invoke the command palette with ⌘k
3. Look at the command palette using a variety of screen widths

wp-admin

5. Use the automatically generated command below on your sandbox
6. Sandbox widgets.wp.com
7. Go to yoursite .wordpress.com/wp-admin and repeat as before

Edit: Weirdly the wp-admin install-plugin command hasn't been generated, it should be install-plugin.sh command-palette-wp-admin update/command-palette-width

Before	After

Screen.Recording.2024-05-22.at.15.02.04.mov

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

Calypso Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-108587

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-108587&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-108587&env=a8c-for-agencies

[matticbot]

This PR does not affect the size of JS and CSS bundles shipped to the user's browser.

Generated by performance advisor bot at iscalypsofastyet.com.

[rcrdortiz]

LGTM 🚢