allow administration of prompts in ai_content_suggestions

Added form fields to have the prompts editable in the backend

Tested each feature with the configurable prompt.
Please review

@marcus: fixed the merge conflicts.
The test from ECA fail apart from that this seems green now.

wouters_f → changed the visibility of the branch 3493510-allow-prompt-admin to hidden.

Thank you Frederik, getting merged.

Automatically closed - issue fixed for 2 weeks with no activity.

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

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

Moving this issue to "AI Content Suggestions".

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

marcus_johansson → closed merge request !332