Menu refactoring

[ChristopheRib63]

Description

What's new?

• Feature: Add a "quick add" option in the left navbar #361
• Task: Menu Refactoring #402

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Tests
• Other

[codecov]

Codecov Report

Merging #429 (b05a10d) into main (5374e17) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #429      +/-   ##
==========================================
- Coverage   57.29%   57.25%   -0.04%     
==========================================
  Files         111      111              
  Lines        3292     3294       +2     
==========================================
  Hits         1886     1886              
- Misses       1406     1408       +2     

Impacted Files	Coverage Δ
src/AzureIoTHub.Portal/Client/Shared/NavMenu.razor	0.00% <0.00%> (ø)

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