Fix svg imports in SB

[pettinarip]

Description

Adds the svgr loader in SB to handle svg files as with Nextjs and updates the configs and types.

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[pettinarip]

https://storybook.js.org/docs/get-started/frameworks/nextjs#custom-webpack-config

[pettinarip]

https://react-svgr.com/docs/next/

This config will now also support .svg?url import syntax to be used with the Image component.

[TylerAPfledderer]

@pettinarip Chromatic failure here is now expected; verified that the feedback widget model is missing its data-testid for the failed snapshot (might've been removed by mistake when migrating to ShadCN)