This is a workaround for regression happened in Plasma 5.22, supposedly somewhere in systray:
Bug 438460 - Keyboard layout widget has no icon, doesn't respond to click and opens the widget on login
This is a workaround for regression happened in Plasma 5.22, supposedly somewhere in systray:
Bug 438460 - Keyboard layout widget has no icon, doesn't respond to click and opens the widget on login