For rooted users: use [this](https://github.com/Kr328/Riru-ClipboardWhitelist/releases) magisk module. CHECK APK FIRST! then if didn't work... After installation edit/create /data/misc/clipboard/whitelist.list and add this line:

org.kde.kdeconnect_tp

Reboot, and you should be able to paste what you have copied on the phone on your computer. If this doesn't work for you, you may want to check out the repository README.md.