feat: add StorybookDemo component

[alisonjoseph]

Closes #3709

Changelog

New

• Add StorybookDemo component

Changed

• Replace ComponentDemo with StorybookDemo on all code and usage pages for components (used what we indexed for Carbon Next for 99% of components)
• Combined dropdown/multiselect/combobox into one demo, is that ok?

Removed

• Remove custom ComponentDemo components

Note: I didn't remove the ComponentDemo component, ChartDemoGroup is relying on part of it.

Review

Check component Usage/Code pages for correct demos
https://carbondesignsystem-git-fork-alisonj-f527c4-carbon-design-system.vercel.app/components/accordion/code

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
carbondesignsystem	❌ Failed (Inspect)			Aug 31, 2023 5:22pm

[tay1orjones]

Looks great! 🎉

[kingtraceyj]

We originally designed the component in platform with the fluid dropdowns. Would it possible to update to the fluid dropdowns?

Contained list—update to 8 column small demo window

Popover looks a little wild—can we control the alignment? If so, I can do some mockups. I'm just a little unsure of how much control we have over storybook.

The combined dropdown/multiselect/combobox makes sense to me!

[alisonjoseph]

@kingtraceyj

• For Popover - Any changes to the story content would need to be done in storybook. It's currently set up to show how popover will align automatically based on where on the screen it is.
  https://react.carbondesignsystem.com/?path=/story/components-popover--auto-align
  If there is a better way to display this auto-align feature we can update in Storybook and it will automatically update on the website when the story updates. You can create an issue and tag me if you want.
• Updated to use FluidDropdown
• Just pushed a change to contained list to 8 column

[kingtraceyj]

thanks for the updates. looks good to go! i'll discuss the popover story with the design team and will open another issue if we think it needs an update. thank you!

[tw15egan]

Looks awesome 💪🏻 🔥