(core): Migrate request data, tRPC, Supabase, metrics, logs to `dataCollection`

[chargome]

• Replace all sendDefaultPii reads with dataCollection.httpHeaders, dataCollection.cookies, dataCollection.queryParams, dataCollection.userInfo
• Apply KeyValueCollectionBehavior filtering (denyList/allowList/off) to extracted headers, cookies, query params
• Replace IP inference checks with dataCollection.userInfo
• Migrate request.ts HTTP header sensitivity handling to use new filtering utilities

[linear-code]

JS-2499