NickAkhmetov/Homepage text adjustments (CAT-856, CAT-787)

[NickAkhmetov]

Summary

This PR adjusts language related to the HRA/ASCT+B Reporter/EUI and updates the link for the 10X/Visium news item to point to those assays on the search page specifically.

Design Documentation/Original Tickets

CAT-787 CAT-856

Testing

Manually tested by updating text and verifying changes persisted.

Screenshots/Video

CAT-856

https://github.com/user-attachments/assets/8b417cfb-3530-4f8c-b447-30bf684b8a54

CAT-787

Checklist

• [x] Code follows the project's coding standards
  • [x] Lint checks pass locally
  • [x] New CHANGELOG-your-feature-name-here.md is present in the root directory, describing the change(s) in full sentences.
• [x] Unit tests covering the new feature have been added
• [x] All existing tests pass
• [x] Any relevant documentation in JIRA/Confluence has been updated to reflect the new feature
• [x] Any new functionalities have appropriate analytics functionalities added

Additional Notes

Please specify any additional information or context relevant to this PR.