feat(telemetry): updated telemetry distinct id to use service token from secrets one

backend/src/server/lib/telemetry.ts

@@ -11,7 +11,7 @@ export const getTelemetryDistinctId = (req: FastifyRequest) => {
     return `identity-${req.auth.identityId}`;
   }
   if (req.auth.actor === ActorType.SERVICE) {
-    return `service-token-${req.auth.serviceToken.id}`;
+    return req.auth.serviceToken.createdByEmail || `service-token-null-creator-${req.auth.serviceTokenId}`; // when user gets removed from system
   }
   return "unknown-auth-data";
 };