fix(stats): fixes syntax for api prod version

[stalniy]

refs #645

Why

after deploying changes to beta, it appeared that I used wrong variable in reduce which was not initialized and /network-capacity request failed with 500 error:

{
    "severity": "ERROR",
    "@type": "type.googleapis.com/google.devtools.clouderrorreporting.v1beta1.ReportedErrorEvent",
    "time": "2025-01-21T11:01:46.704Z",
    "context": "ErrorHandler",
    "traceId": "7542356c94be395186f49cce02a27021",
    "spanId": "8a3f58664923dbca",
    "traceFlags": 1,
    "message": "ReferenceError: Cannot access 'stats' before initialization\n    at filteredProviders.reduce.activeCPU (/app/apps/api/dist/server.js:551416:13)\n    at Array.reduce (<anonymous>)\n    at /app/apps/api/dist/server.js:551415:41\n    at Generator.next (<anonymous>)\n    at fulfilled (/app/apps/api/dist/server.js:551379:58)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)"
}

Stacktrace:

ReferenceError: Cannot access 'stats' before initialization
    at filteredProviders.reduce.activeCPU (/app/apps/api/dist/server.js:551416:13)
    at Array.reduce (<anonymous>)
    at /app/apps/api/dist/server.js:551415:41
    at Generator.next (<anonymous>)
    at fulfilled (/app/apps/api/dist/server.js:551379:58)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)