For #27603
Only fixing the UI issue. GitOps also has this issue, but GitOps does
not validate Fleet variables locally, so not an easy fix.
# Checklist for submitter
- [x] Manual QA for all new/changed functionality
- [x] For unreleased bug fixes in a release candidate, confirmed that
the fix is not expected to adversely impact load test results or alerted
the release DRI if additional load testing is needed.
Victor Lyuboslavsky
54e18d87bd