Registry page activation switch toggles all rows simultaneously

## Summary

On the `/environment?tab=registry` page, clicking an activation switch toggles all rows at once instead of only the targeted row.

## Steps to Reproduce

1. Navigate to /environment?tab=registry
1. Click the activation switch on any single row
1. Observe all rows toggle simultaneously

## Expected Behavior

Only the clicked row's switch should toggle.

## Acceptance Criteria

- [ ] Switch toggles only the targeted row
- [ ] Other rows remain unchanged
- [ ] Before/after screenshots attached
- [ ] Related e2e tests pass

JIRA Issue: FR-2431