Apply some tweaks on Admin UI (#11011)

### What problem does this PR solve?

- Fix selected radio button text misaligned with radio button dot
- Fix `<ScrollArea>` scrollbar z-index issue
- Add backdrop blur effect on scrollbar thumbs
- Adjust some styles to match the design 


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/en.ts

@@ -1980,6 +1980,10 @@ Important structured information may include: names, dates, locations, events, k
       deleteRole: 'Delete role',
       deleteRoleConfirmation:
         'Are you sure you want to delete this role? This action cannot be undone.',
+
+      alive: 'Alive',
+      timeout: 'Timeout',
+      fail: 'Fail',
     },
   },
 };