Fleet UI: Allow users to scroll through disabled yml fields

[RachelElysia]

Issue

Closes #36342

Description

• See ticket

Screen recording of fix

Screen.Recording.2026-01-23.at.2.49.46.PM.mov

If some of the following don't apply, delete the relevant line.

• Changes file added for user-visible changes in changes/, orbit/changes/ or ee/fleetd-chrome/changes.
  See Changes files for more information.

Testing

• QA'd all new/changed functionality manually

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.07%. Comparing base (cae4975) to head (abf50c4).
⚠️ Report is 22 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main   #38715    +/-   ##
========================================
  Coverage   66.07%   66.07%            
========================================
  Files        2414     2414            
  Lines      192683   192683            
  Branches     8424     8529   +105     
========================================
  Hits       127321   127321            
  Misses      53800    53800            
  Partials    11562    11562            

Flag	Coverage Δ
frontend	54.23% <ø> (ø)

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