Move all code to use constructor property promotions

Marcus_Johansson → credited andrewbelcher → .

Merge request - https://git.drupalcode.org/project/ai/-/merge_requests/240#note_404408

Merge errors need resolving.

Because this is so out of date and since there now might be projects that relies on the constructor to stay the same, I'll close this and we'll aim for 2.0.0 for constructor property, return types and some other refactorings.

marcus_johansson → closed merge request !240

We are doing some issue management housekeeping and adding/removing components.

We are removing the "Code" component and want people to categorize issues with the best module/submodule component.

Moving this issue to "AI Core module".

See 📌 Update AI module project components Active for more details.