So just search for “chrome sharing hub” and enable the flag. Once you enable it and tap on the Share button, you will find the sharing options at the bottom and you can scroll horizontally as well.
Chrome Sharing Hub is a new flag that brings an Android Q-like layout in the Chrome share sheet menu.
If Bitdefender blocking applications like Google chrome from accessing the Internet connection, then you have to allow or whitelist that particular application in the Bitdefender.