chore: move dashboard dev env + msw to separate packages for reuse

[tracy-french]

Overview

Provide an explanation of what the change is

Verifying Changes

Scene Composer

For scene-composer package changes specifically, you can preview the component in the published storybook artifact. To do this, wait for the Publish Storybook action to complete below.

• Click on the workflow details
• Select the Summary item on the left
• Download the zip file

To run the storybook build locally, you need a local static web server:

npm install -g httpserver
cd <Extracted Zip Directory>
httpserver

Then open the website http://localhost:8080 to run the doc site.

Legal

This project is available under the Apache 2.0 License.