Fix html tags in search

[zzhaobraze]

Pull Request/Issue Resolution

Fix PreCode HTML breaking search page.

Description of Change:
Strip html tags from search results

Reason for Change:

Closes #ISSUE_NUMBER_HERE

---

---

PR Checklist

• Ensure you have completed our CLA.
• Tag @EmilyNecciai as a reviewer when the your work is done and ready to be reviewed for merge.
• Consult the Docs Text Formatting Guide to be sure you're utilizing the proper markdown formatting.
• Consult the Docs Writing Style Guide & Best Practices to be sure you're aligning with our voice and other style best practices.
• Preview your deployed changes to confirm that none of your changes break production. Pay close attention to links and images.
• Tag others as Reviewers as necessary.
• If you have modified any links, be sure to add redirects to config/nginx.conf.erb.

---

---