UX: Update ai settings form to table based layout

Eric Homanchukrequested to merge
issue/ai-3568028:3568028-add-provider-meta-info into 1.3.x

Incorporate provider meta data into ai settings form.

  • Add new ai.provider_registry.yml file to provide useful information
  • Update form to separate installed providers capabilities and available providers capabilities

Closes #3568028

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