MQTT Upgrade - attempt 2

[helto4real]

Breaking change

Proposed change

Upgrade the MQTT dependency. We are using MQTTnet that has a lot of breaking changes. This is a big overhaul of the MQTTManager to support these changes.

Also added integration tests.

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
• The code compiles without warnings (code quality check)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration are added/changed:

• Documentation added/updated for https://netdaemon.xyz

[codecov]

Codecov Report

❌ Patch coverage is 78.87324% with 30 lines in your changes missing coverage. Please review.
✅ Project coverage is 82%. Comparing base (0116c98) to head (b437273).

Files with missing lines	Patch %	Lines
...ensions.MqttEntityManager/AssuredMqttConnection.cs	75%	20 Missing and 10 partials ⚠️

Additional details and impacted files

@@         Coverage Diff          @@
##           main   #1385   +/-   ##
====================================
  Coverage    82%     82%           
====================================
  Files       202     201    -1     
  Lines      3941    4019   +78     
  Branches    444     457   +13     
====================================
+ Hits       3239    3331   +92     
+ Misses      532     489   -43     
- Partials    170     199   +29     

Flag	Coverage Δ
unittests	82% <78%> (+<1%)	⬆️

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