Bug: Can't use JetStream with nested routers

[ulbwa]

Describe the bug
When using NATS broker with JetStream and nested routers in FastStream, it is not possible to properly register a subscriber and receive messages.

How to reproduce

from faststream import FastStream
from faststream.nats import JStream, NatsBroker, NatsRouter

broker = NatsBroker()
stream = JStream("service-stream")

service_router = NatsRouter(prefix="service.")
user_router = NatsRouter(prefix="user.")


@user_router.subscriber(
    subject="fetch.nested", queue="service-user-fetch-nested-queue", stream=stream
)
async def fetch_nested_user(message: dict):
    ...


@broker.subscriber(
    subject="service.user.fetch", queue="service-user-fetch-queue", stream=stream
)
async def fetch_user(message: dict):
    ...


service_router.include_router(user_router)
broker.include_router(service_router)
app = FastStream(broker)


@app.after_startup
async def after_startup():
    await broker.publish(dict(a=1), "service.user.fetch")
    await broker.publish(dict(a=1), "service.user.fetch.nested")

Expected behavior

2024-08-10 01:30:34,396 INFO     - FastStream app starting...
2024-08-10 01:30:34,408 INFO     - service-stream | service-user-fetch-queue        | service.user.fetch        |            - `FetchUser` waiting for messages
2024-08-10 01:30:34,412 INFO     - service-stream | service-user-fetch-nested-queue | service.user.fetch.nested |            - `FetchNestedUser` waiting for messages
2024-08-10 01:30:34,415 INFO     - FastStream app started successfully! To exit, press CTRL+C
2024-08-10 01:30:34,416 INFO     - service-stream | service-user-fetch-queue        | service.user.fetch        | 23131352-2 - Received
2024-08-10 01:30:34,417 INFO     - service-stream | service-user-fetch-queue        | service.user.fetch        | 23131352-2 - Processed
2024-08-10 01:30:34,418 INFO     - service-stream | service-user-fetch-nested-queue | service.user.fetch.nested | 23131353-2 - Received
2024-08-10 01:30:34,419 INFO     - service-stream | service-user-fetch-nested-queue | service.user.fetch.nested | 23131353-2 - Processed

Observed behavior

The message does not reach the listener in the nested router:

2024-08-10 01:30:34,396 INFO     - FastStream app starting...
2024-08-10 01:30:34,408 INFO     - service-stream | service-user-fetch-queue        | service.user.fetch        |            - `FetchUser` waiting for messages
2024-08-10 01:30:34,412 INFO     - service-stream | service-user-fetch-nested-queue | service.user.fetch.nested |            - `FetchNestedUser` waiting for messages
2024-08-10 01:30:34,415 INFO     - FastStream app started successfully! To exit, press CTRL+C
2024-08-10 01:30:34,416 INFO     - service-stream | service-user-fetch-queue        | service.user.fetch        | 23131352-2 - Received
2024-08-10 01:30:34,417 INFO     - service-stream | service-user-fetch-queue        | service.user.fetch        | 23131352-2 - Processed