fix(notification): accomodate text focus styles

[markacianfrani]

Brief Description

adjusts padding on notification to allow for focus state when links are slotted

JIRA Link

Related Issue

General Notes

Motivation and Context

Issues and Limitations

Types of changes

• [ ] Bug fix
• [ ] New feature
• [ ] Breaking change

Checklist

• [ ] This PR adds or removes a Storybook story.
• [ ] I have added tests to cover my changes.
• [ ] Regressions are passing and/or failures are documented
• [ ] Changes have been checked in evergreen browsers

[changeset-bot[bot]]

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Latest commit: 815122a130d5be15a61dcea93905ee543262f7b5

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