help with attachment on https://github.com/microsoft/Agents/tree/main/samples/nodejs/copilotstudio-webclient

[jjayaraja]

in the topic i have user prompted for uploading a file. from teams and 365 , the user is uploading the file and the topic moves to the next step of processing the file. here in the webchat the issue is , either its not uploading the file or not processed. it keeps asking for the file upload.