Add a RegexMask on command frame to prevent non-hexadecimal characters

[audserraCGI]

Description

What's new?

• Bug: Non-hexadecimal characters can be writen in command.frame field #914

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 #949 (4a2df0c) into main (e7eac9a) will increase coverage by 1.46%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #949      +/-   ##
==========================================
+ Coverage   84.36%   85.82%   +1.46%     
==========================================
  Files         174      174              
  Lines        5633     5635       +2     
==========================================
+ Hits         4752     4836      +84     
+ Misses        881      799      -82     

Impacted Files	Coverage Δ
...l/Shared/Models/v1.0/LoRaWAN/DeviceModelCommand.cs	100.00% <ø> (ø)
...s/DeviceModels/LoRaWAN/CreateLoraDeviceModel.razor	93.18% <100.00%> (+93.18%)	⬆️
...ges/DeviceModels/LoRaWAN/EditLoraDeviceModel.razor	95.55% <100.00%> (+95.55%)	⬆️

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[kbeaugrand]

Should also add Validation to the DeviceModelCommand to validate the input by the API too