Ensure that there are less than 50 Sonarlint/Sonarcloud warnings

[Lazrius]

There are some warnings and smells that will be unavoidable due to the nature of the project or functions calls (things needing to be static/const that when changing will cause it to fail to compile and the like), but we should mark these as ignored when possible.

[MrNen]

@Lazrius , as part of this it would be useful to have sonar cloud also analyze the 4.1 branch as well.