[Fix] Address Ubuntu 20.04 not pairing
Only consider payloadTransferInfo is for payload if with port specified.
Bug Reports
- https://forum.kde.org/viewtopic.php?f=18&t=173218
- Various on TestFlight
- In KDE Connect group chat
Testing
Tested to ensure that pairing and file transfer works with iOS, macOS, Android, and Ubuntu.
Edited by Apollo Zhu