fix(CSS pollution)

[nstuyvesant]

Overview

• Carbon Charts generated CSS with selectors not encapsulated within the top-level selector --cds--chart-holder. This caused the style sheet to overwrite CSS custom properties set by @carbon/styles and related packages.
• Particularly problematic components were modal and the overflow-menu both used by the toolbar component. The imported CSS set CSS custom properties on root. These were refactored to avoid that issue.
• Components grid-brush.scss and title only needed a limited number of SCSS variables and not generated classes. These now pull in the appropriate module where the variable is set to avoid generating unused CSS that conflicts with @carbon/styles.
• Restructured toolbar into a folder with modules for modal and the toolbar buttons since this is interdependent. If someone doesn't need the toolbar, they can write an optimized SCSS script loading only what they need.
• Closes [Bug]: When charts styles are imported after carbon styles, some components break #1669
• Bumps Storybook, Eslint, @vitejs/plugin-react, SvelteKit and some @types within semver

Demo screenshot or recording

This StackBlitz example submitted with bug 1669 has the newly generated CSS pasted in place of the import:
https://stackblitz.com/edit/github-skkfec-q6ryuo?file=src%2Findex.scss

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[theiliad]

LGTM