Migrate Change Tracker KB to autogenerated sidebar

[hilram7]

Summary

Migrates Change Tracker Knowledge Base to use Docusaurus autogenerated sidebars with icon grid category views. This is the thirteenth product migration following the infrastructure (#112), Threat Prevention (#117), Threat Manager (#118), Identity Recovery (#121), Privilege Secure-AM (#122), Privilege Secure Discovery (#123), 1Secure (#124), Endpoint Policy Manager (#125), Endpoint Protector (#129), Password Reset (#130), Directory Manager (#131), and Data Classification (#133).

Changes Made

Change Tracker KB Migration

• Added to MIGRATED_PRODUCTS: Change Tracker now uses the new autogenerated sidebar system
• Sidebar configs cleaned up: Removed manual generateKBSidebar() calls from both versions (8.0, 8.1) and switched to autogenerated structure
• KB content copied: Versions 8.0 and 8.1 now have KB content with icon grid views (6 files, 3 categories per version)

Testing

• ✅ Local dev server: Change Tracker KB displays correctly
• ✅ Production build: Completes successfully without errors
• ✅ Icon grid views: All 3 KB categories show with grid layout
• ✅ No duplicates: Only autogenerated KB section appears
• ✅ Versions 8.0 and 8.1: Both show KB correctly
• ✅ No conflicts with previous migrations

Migration Status

Completed:

• ✅ Access Analyzer (infrastructure PR Add KB sidebar migration infrastructure with Access Analyzer pilot #112)
• ✅ Threat Prevention (PR Migrate Threat Prevention KB to autogenerated sidebars  #117)
• ✅ Threat Manager (PR Migrate Threat Manager KB to autogenerated sidebars #118)
• ✅ Identity Recovery (PR Migrate Identity Recovery KB to autogenerated sidebars  #121)
• ✅ Privilege Secure-AM (PR Migrate Privilege Secure-AM KB to autogenerated sidebars #122)
• ✅ Privilege Secure Discovery (PR Migrate Privilege Secure Discovery KB to autogenerated sidebars #123)
• ✅ 1Secure (PR Tools rebranded screenshots #124)
• ✅ Endpoint Policy Manager (PR Migrate 1Secure KB to autogenerated sidebars #125)
• ✅ Endpoint Protector (PR Migrate Endpoint Protector KB to autogenerated sidebars  #129)
• ✅ Password Reset (PR Migrate Password Reset KB to autogenerated sidebars #130)
• ✅ Directory Manager (PR Migrate Directory Manager KB to autogenerated sidebars #131)
• ✅ Data Classification (Migrate Data Classification KB to autogenerated sidebar #133)
• ✅ Change Tracker (this PR)

Remaining: 4 products