[frontend] UI for Reachability filter on the Vulnerability Report

Why are we doing this work

Add new top-level Reachable filter to the Vulnerability Report.

Relevant links

Design: #480356[design_1738225486116.png]

Non-functional requirements

• Documentation:
• Feature flag:
• Performance:
• Testing:

Implementation plan

• frontend add new filter here: ee/app/assets/javascripts/security_dashboard/components/shared/filtered_search_v2 (we need to complete the migration first but should be complete by %18.2)

Verification steps