[Frontend] Add modal with allowlist/denylist filters

Why are we doing this work

1. New allow/deny list is a a new feature of merge request approval policy licence rule
2. It allows user to add/remove licence packages to either deny or allow list
3. Scope of this issue is to add new modal with allow/deny list

Relevant links

1. Design

Non-functional requirements

• Documentation:
• Feature flag: exclude_license_packages
• Performance:
• Testing: unit tests

Implementation plan

1. Add new modal component to security_orchestration/components/policy_editor/scan_result/rule
2. Use grapghql to fetch licence list
3. Add input field to add packages and add validation
4. Make sure to update yaml when list is saved

Verification steps