Updating "thanks" feedback to be more visible to users

Changelog: changed

feat(DuoChat): update user feedback response

See merge request gitlab-org/gitlab-ui!4304



Merged-by: Savas Vedova <svedova@gitlab.com>
Approved-by: Deepika Guliani <dguliani@gitlab.com>
Approved-by: Savas Vedova <svedova@gitlab.com>
Reviewed-by: Savas Vedova <svedova@gitlab.com>
Co-authored-by: Briley Sandlin <bsandlin@gitlab.com>

# [85.4.0](v85.3.1...v85.4.0) (2024-06-26)

### Features

* **DuoChat:** update user feedback response ([5c51a3f8](5c51a3f8))