Failed to establish a connection to https://127.0.0.1:5552/: net::ERR_CONNECTION_RESET while try to run WebTransportInteractiveSampleApp

### Is there an existing issue for this?

- [X] I have searched the existing issues

### Describe the bug

Hi,

I'm unable to get WebTransportInteractiveSampleApp sample code work! Error shows WebTransportError: Opening handshake failed upon Connect button click. I have been trying to find solution on google for last two day with no success.
Please someone can help? Here is the error occurs

Uncaught (in promise) WebTransportError: Opening handshake failed.
Failed to establish a connection to https://127.0.0.1:5552/: net::ERR_CONNECTION_RESET.
(index):96 Uncaught (in promise) WebTransportError: Opening handshake failed.


### Expected Behavior

_No response_

### Steps To Reproduce

_No response_

### Exceptions (if any)

Uncaught (in promise) WebTransportError: Opening handshake failed.
Failed to establish a connection to https://127.0.0.1:5552/: net::ERR_CONNECTION_RESET.
(index):96 Uncaught (in promise) WebTransportError: Opening handshake failed.

### .NET Version

.NET Core 8.0

### Anything else?

_No response_