End-user friendly description of the problem this fixes or functionality that this introduces

• Include this change in the Release Notes. If checked, you must provide an end-user friendly description for your change below

Give a summary of what the PR does, explaining any non-trivial design decisions
I created a new hook to manage the rate at which the messages are received. If they are under the given threshold (e.g., 500 ms) then the state is loading. Otherwise, if they are above OR the time passed since the last message is > 500 ms, it is not loading

Link of any specific issues this addresses

To run this PR locally, use the following command:

docker run -it --rm   -p 3000:3000   -v /var/run/docker.sock:/var/run/docker.sock   --add-host host.docker.internal:host-gateway   -e SANDBOX_RUNTIME_CONTAINER_IMAGE=docker.all-hands.dev/all-hands-ai/runtime:6abe70d-nikolaik   --name openhands-app-6abe70d   docker.all-hands.dev/all-hands-ai/openhands:6abe70d