Add support for enabling/disabling individual AI providers via admin configuration UI

Chose to provide a centralized list of all configured providers at /admin/config/ai/providers with checkboxes to enable or disable each.
Please review

Hi @anjaliprasannan
I have tried to apply MR on my local, but it's failing

Attaching error screenshot for reference

Hi @Kanchan Please checkin to this branch and review the MR. I checked it again and had no issues. The changes are working. Attaching the ss.

kanchan bhogade → changed the visibility of the branch 3522830-add-support-for to hidden.

kanchan bhogade → changed the visibility of the branch 3522830-add-support-for to active.

Hi,
I have tested MR 586 on Drupal 11.x and MR is applied successfully...

As part of the validation, I followed the provided testing steps to verify the AI provider configuration:

1. Verified the ability to enable/disable individual AI providers via the admin configuration UI (/admin/config/ai/providers).
2. Confirmed that when a provider is enabled, it appears under AI Settings, and when disabled, it no longer shows—ensuring the functionality works as intended.

Adding attachments for reference