Fix: add typing for SSRResult with extended astro-icon properties

[stramel]

Extended the SSRResult from astro to include the AstroIcon symbol property on the SSRResult. This allowed me to remove some anys and @ts-ignores.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: cfa86490d2c99c0d653b20bbf2514d62d7dd12ca

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | ---------- | ----- | | astro-icon | Patch | | www | Patch |

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Name	Status	Preview	Updated
api-astroicon	✅ Ready (Inspect)	Visit Preview	Oct 20, 2022 at 5:44PM (UTC)
astroicon	✅ Ready (Inspect)	Visit Preview	Oct 20, 2022 at 5:44PM (UTC)

[stramel]

Closing in favor of #64