Xml comment grammar fixes & documentation improvements

[phillipsawyer]

Proposed change

Xml comment clean up 🧹. As a side-note, annoyingly, Rider does not work with inheritdoc in some cases. An example is StateChanges(). VS works.

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 #
• 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: 80.98% // Head: 81.03% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (1dc992b) compared to base (c263a7f).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #844      +/-   ##
==========================================
+ Coverage   80.98%   81.03%   +0.04%     
==========================================
  Files         159      159              
  Lines        4107     4107              
  Branches      406      406              
==========================================
+ Hits         3326     3328       +2     
+ Misses        620      619       -1     
+ Partials      161      160       -1     

Flag	Coverage Δ
unittests	81.03% <ø> (+0.04%)	⬆️

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

Impacted Files	Coverage Δ
...t/Extensions/IHomeAssistantConnectionExtensions.cs	90.47% <ø> (ø)
...n.HassClient/Common/HomeAssistant/Model/Targets.cs	100.00% <ø> (ø)
...t/NetDaemon.HassClient/Common/Settings/Settings.cs	100.00% <ø> (ø)
...odel.Integration/IntegrationHaContextExtensions.cs	86.95% <ø> (ø)
...c/HassModel/NetDeamon.HassModel/Entities/Entity.cs	78.12% <ø> (ø)
...l/NetDeamon.HassModel/Entities/EntityExtensions.cs	44.44% <ø> (ø)
...n.HassModel/Entities/EnumerableEntityExtensions.cs	95.23% <ø> (ø)
src/HassModel/NetDeamon.HassModel/Event.cs	88.88% <ø> (ø)
...n.HassModel/Internal/AppScopedHaContextProvider.cs	85.10% <ø> (ø)
src/HassModel/NetDeamon.HassModel/ServiceTarget.cs	87.50% <ø> (ø)
... and 1 more

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