In order to capture https traffic, some setting up is required in order to allow tshark to decrypt the traffic.
A pre-master secret key will be used in order to do this.
Basically, we need to get the browser to log a SSL key log file. This can be done by following the steps here: https://www.comparitech.com/net-admin/decrypt-ssl-with-wireshark/.
In summary, the steps are:
export SSLKEYLOGFILE=~/.ssl-key.log