SDLC Context Agent - Add project-level setting (frontend)

What does this MR do and why?

We're adding the project-level toggle for Vulnerability Context Analysis. The backend logic of this setting lives in:

• SDLC Context Agent - Add project-level setting ... (!249617 - merged) • Charlie Kroon • 19.4
• SDLC - Add check for project setting for worker... (!250192 - merged) • Charlie Kroon • 19.3

References

• Main epic https://gitlab.com/groups/gitlab-org/-/work_items/21005
• Relevant discussion on this implementation https://gitlab.com/groups/gitlab-org/-/work_items/21005#note_3677538263
• This MR closes part 2: https://gitlab.com/gitlab-org/gitlab/-/work_items/611376;
  • This MR is dependent on the merge of:
  • Backend implementation: !249617 (merged)
  • Backend implementation of trigger check: !250192 (merged)

Screenshots or screen recordings

Before	After

How to set up and validate locally

Set up

1. Ensure your GDK instance has an active EE Ultimate license with GitLab Duo enabled
2. Checkout on duo/feature/611376-duo-vulnerability-context-analysis-project-setting and pull the changes from this branch.
3. Run migrations: bundle exec rails db:migrate
4. Checkout this branch CK-SLDC-Setting-Project-FE-v2
5. Run gdk restart

Validate the UI toggle

1. Navigate to a project's Settings > General > GitLab Duo
2. Verify the Turn on Vulnerability Context Analysis toggle appears.
3. Toggle it on and click Save changes. Verify that the page reloads with the toggle still on.
4. Toggle off the main Turn on GitLab Duo features toggle and save. Verify the Turn on Vulnerability Context Analysis toggle becomes disabled.

MR acceptance checklist

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