chore(NcActions): outline icons in docs

[ShGKme]

☑️ Resolves

• Continue of docs: Move more icons to outline #7862

🖼️ Screenshots

🏚️ Before	🏡 After

🏁 Checklist

• ⛑️ Tests are included or are not applicable
• 📘 Component documentation has been extended, updated or is not applicable
• 2️⃣ Backport to stable8 for maintained Vue 2 version or not applicable

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.20%. Comparing base (52418d2) to head (8c16bd9).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7920   +/-   ##
=======================================
  Coverage   52.20%   52.20%           
=======================================
  Files         101      101           
  Lines        3174     3174           
  Branches      872      871    -1     
=======================================
  Hits         1657     1657           
  Misses       1271     1271           
  Partials      246      246           

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[ShGKme]

/backport to stable8

[Antreesy]

Otherwise ok

[ShGKme]

@Antreesy Done, screenshots updated