Tray icon, not functional (Linux).

[Achilleus]

Last stable Azureus version, tested on Debian based systems with KDE.

The tray icon is there and I can see the frog, but that's all I can do.
Right- left - double clicking -> absolutely no effect at all!

Java 1.8.0_212 (64 bit)
Oracle Corporation
/usr/lib/jvm/java-8-openjdk-amd64/jre

SWT v4716, gtk/3.22.11
Linux v4.9.0-8-amd64, amd64 (64 bit)
V5.7.6.0/4 az3