Prevent duplicate C# names after normalizing EntitiyIds

[FrankBakkerNl]

Proposed change

If there are duplicates after PascalCasing EntityId's use the original EntityId's instead

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (which adds functionality to an existing integration)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes Potential duplicate entities after CodeGen normalization  #830
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the [development checklist][dev-checklist]
• The code compiles without warnings (code quality chek)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[codecov]

Codecov Report

Base: 80.93% // Head: 81.10% // Increases project coverage by +0.16% 🎉

Coverage data is based on head (5ecc71c) compared to base (e30122f).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #832      +/-   ##
==========================================
+ Coverage   80.93%   81.10%   +0.16%     
==========================================
  Files         159      159              
  Lines        4096     4106      +10     
  Branches      405      405              
==========================================
+ Hits         3315     3330      +15     
+ Misses        618      616       -2     
+ Partials      163      160       -3     

Flag	Coverage Δ
unittests	81.10% <100.00%> (+0.16%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
....CodeGenerator/CodeGeneration/EntitiesGenerator.cs	100.00% <100.00%> (ø)
...l.CodeGenerator/CodeGeneration/ServiceArguments.cs	94.59% <100.00%> (+2.70%)	⬆️
...Model.CodeGenerator/Extensions/StringExtensions.cs	100.00% <100.00%> (+6.25%)	⬆️
...on.HassModel.CodeGenerator/Helpers/NamingHelper.cs	89.79% <100.00%> (-0.78%)	⬇️
...aData/EntityMetaData/AttributeMetaDataGenerator.cs	89.47% <100.00%> (ø)
...or/MetaData/EntityMetaData/EntityDomainMetadata.cs	100.00% <100.00%> (ø)
...MetaData/EntityMetaData/EntityMetaDataGenerator.cs	97.14% <100.00%> (+2.14%)	⬆️
...mon.HassClient/Internal/HomeAssistantConnection.cs	88.79% <0.00%> (+1.72%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[helto4real]

Looks good