How to spoof Edge in other browsers
https://www.bleepingcomputer.com/news/microsoft/vivaldi-is-spoofing-edge-browser-to-bypass-bing-chat-restrictions/
The Vivaldi Browser is now spoofing Microsoft Edge on Android devices starting today to bypass browser restrictions Microsoft placed in Bing Chat.
Since Microsoft released its Bing Chat, they have restricted it so users can only use it on the Microsoft Edge Browser.