FdoNotificationDaemon: Emit ActivationToken before ActionInvoked signal
Two years ago FDO notifications spec gained the ability to pass an activation token (often called startup id) let's finally implement it.
See: https://gitlab.freedesktop.org/xdg/xdg-specs/-/commit/b9a470004d
Closes: #358 (closed)
Based on !3198 (merged)
Edited by Julian Sparber