Fix Search Icon during hover

[snowystinger]

This fixes the issue where a disabled textfield still get a hover color for the magnifier because order matters when specificity collides

Closes https://jira.corp.adobe.com/browse/RSP-1461

✅ Pull Request Checklist:

• Included link to corresponding 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 exist for this component).
• Looked at the Accessibility Standard and/or talked to @mijordan about Accessibility for this feature.

📝 Test Instructions:

🧢 Your Team:

[adobe-bot]

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