Port switched back to Speaker at the end of call while using Headphones
When the headphones are connected, callaudiod correctly uses Headphones
port to handle call audio. However, when the call is ended the port is switched to Speaker
even though headphones stay connected.
Tested on Librem 5, PureOS Amber with https://source.puri.sm/Librem5/librem5-base/-/merge_requests/177 and https://source.puri.sm/Librem5/calls/-/merge_requests/194