Update to latest MQTTnet and adds ClientID to command sample

[rido-min]

Purpose

Updates MQTTnet to latest version Adds ClientID to command samples

Checklist

• [X] I have read the contribution guidelines.
• I submitted this PR against the correct branch:
  • [X] This pull-request is submitted against the main branch.
  • [X] I have merged the latest main branch prior to submission and re-merged as needed after I took any feedback.
  • [X] I will squashed my changes into one with a clear description of the change when I complete the PR.

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[X] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[X] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• ...

What to Check

Verify that the following are valid

• ...

Other Information

[rido-min]

ping.. any concerns to approve this PR?

[vaavva]

ping.. any concerns to approve this PR?

I don't have any issues with the PR, but I think a C# dev should look over/approve it