Created attachment 112610 [details]
A short video showing the described bug
KDE Plasma version: 5.12.5.
KDE Frameworks version: 5.46.0
QT Version: 5.10.0
Kernel Version: 4.13.0-41
Hardware: Dell XPS 13 9350
If I use minimizeAll by a keyboard shortcut or hot corner while system tray is open then system tray cannot open again afterwards.
Steps to reproduce:
1. Click an open system tray
2. Use hot corner or keyboard shortcut with minimizeAll functionality
3. Click on system tray
4. System tray doesn't open
*** This bug has been marked as a duplicate of bug 381242 ***