useractionmodel: Add stateful labels for hold/accept/hangup
useractionmodel: Add stateful labels for hold/accept/hangup

Refs #69290

savoirfairelinux/ring-lrc,KDE/libringclient,savoirfairelinux/ring-lrc,KDE/libringclient,KDE/libringclient,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc