Project level MR approval rules UI changes

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This issue will reuse the Project-level MR approval rules component for Group level, with relevant UI changes needed.

• Ensure the frontend has the necessary data on the Project level (Project > Settings).
• UI changes: display lock/message if there are any Group level rules)

See this comment for additional context.

Frontend work

• Add a lock to the component added in #425181
• Add a tooltip with "Inherited setting" per proposal of @msedlakjakubowski in #425433[project_with_inherited_group_level_mr_approval_rules.png] (comment 1565347340)

Availability and Testing

Additional feature specs:

• Ensure that if group level approval rules are present, project level approval rules are locked/have a message (see #425181 for additional tests)

Regression testing, please ensure associated MR is labelled with pipeline:run-all-e2e and e2e:package-and-test job is passing.