Fix/1562 increase code coverage on device list page

[ChristopheRib63]

Description

What's new?

• Fix Feature: Increase code coverage on DeviceListPage.razor #1562

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

Base: 90.39% // Head: 90.97% // Increases project coverage by +0.58% 🎉

Coverage data is based on head (734a9f4) compared to base (75465a3).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1690      +/-   ##
==========================================
+ Coverage   90.39%   90.97%   +0.58%     
==========================================
  Files         270      270              
  Lines        8879     8855      -24     
==========================================
+ Hits         8026     8056      +30     
+ Misses        853      799      -54     

Impacted Files	Coverage Δ
...b.Portal.Client/Pages/Devices/DeviceListPage.razor	88.43% <100.00%> (+26.00%)	⬆️

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