fix(Toast): fix long words overflowing toast container

[reidbarber]

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✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

🧢 Your Project:

[rspbot]

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[LFDanLu]

might be good to have a chromatic story for this

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[snowystinger]

i think we only need this one? https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-wrap

[reidbarber]

Hmm, I saw overflow issues without the others.

[snowystinger]

we should run chromatic in this branch as well

[rspbot]

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