feat(backup): wire pruneDeadTokens into onRestoreRequested

functions/src/backup/onRestoreRequested.ts

@@ -1,6 +1,7 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
 import { recipientInQuietHours } from '../notifications/quietHours'
+import { pruneDeadTokens } from '../notifications/pruneTokens'
 
 const CHANNEL = 'partner_activity'
 // Suppress duplicate "was this you?" pushes when a request doc is rapidly deleted+recreated (a compromised
@@ -65,6 +66,7 @@ async function queueAndPush(
   results.forEach((r, i) => {
     if (r.status === 'rejected') console.warn(`[restore] FCM failed for ${tokens[i]}:`, r.reason)
   })
+  await pruneDeadTokens(db, uid, tokens, results)
 }
 
 /**