Fleet UI: Fix some unreleased bugs for 4.75

[RachelElysia]

Issues

Closes #34062
Closes #33751
Closes #34057
Closes #34056
Closes #34008

Description

• Change gitops mode font color miss
• Align actions dropdown vertically centered
• Align installer information vertically centered
• Add gap to operating system icon
• Fix font size for label count
• Fix hover background color of Config profiles

Some screenshots of fixes

• Gitops mode, tried green first and it was too distracting so I changed it to ui-fleet-black-75

• center everything on this line

• 4px spacing

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.23%. Comparing base (8973500) to head (7354512).
⚠️ Report is 32 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #34098   +/-   ##
=======================================
  Coverage   64.23%   64.23%           
=======================================
  Files        2058     2058           
  Lines      206902   206902           
  Branches     6899     6804   -95     
=======================================
  Hits       132900   132900           
  Misses      63576    63576           
  Partials    10426    10426           

Flag	Coverage Δ
frontend	53.67% <ø> (ø)

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