Kubuntu electron(nonnative) applications tray icon left mouse click acts like right mouse click

[Ievgen Sobko]

I have few electron applications used.
Under Kubuntu all of them have strange behavior when left mouse button clicked on tray icon.
When I click left mouse button I expect application to be opened but instead I'm getting the same behavior as right mouse button clicked(context menu opened).
This issue affects at least Kubuntu 17.10, 18.04 Beta1, KDE neon that is based on Ubuntu LTS 16.04.
Dont see such behavior on Arch KDE distributions.
Reproduced this with following aplications "pcloud drive", "skypeforlinux", "upwork desktop application".

System Info:
System: Host: DzirT-VM Kernel: 4.15.0-12-generic x86_64 bits: 64 Desktop: KDE Plasma 5.12.3
           Distro: Ubuntu Bionic Beaver (development branch)
Machine: Device: kvm System: QEMU product: Standard PC (Q35 + ICH9 2009) v: pc-q35-2.11 serial: N/A
           Mobo: N/A model: N/A serial: N/A UEFI: EFI Development Kit II / OVMF v: 0.0.0 date: 02/06/2015
CPU: Quad core Intel Core i7-6700K (-MT-MCP-) cache: 16384 KB
           clock speeds: max: 4008 MHz 1: 4008 MHz 2: 4008 MHz 3: 4008 MHz 4: 4008 MHz 5: 4008 MHz 6: 4008 MHz
           7: 4008 MHz 8: 4008 MHz
Graphics: Card: NVIDIA GM204 [GeForce GTX 970]
           Display Server: x11 (X.Org 1.19.6 ) drivers: nouveau (unloaded: modesetting,fbdev,vesa)
           Resolution: 1920x1080@60.00hz
           OpenGL: renderer: NV124 version: 4.3 Mesa 18.0.0-rc4
Audio: Card-1 NVIDIA GM204 High Definition Audio Controller driver: snd_hda_intel
           Card-2 iCreate driver: USB Audio
           Sound: Advanced Linux Sound Architecture v: k4.15.0-12-generic
Network: Card: Red Hat Virtio network device driver: virtio-pci
           IF: enp0s2 state: up speed: -1 duplex: unknown mac: 00:77:dd:5b:0b:5d
Drives: HDD Total Size: 23.3GB (33.6% used)
           ID-1: /dev/vda model: N/A size: 1.8GB
           ID-2: /dev/vdb model: N/A size: 21.5GB
Partition: ID-1: / size: 20G used: 7.3G (41%) fs: ext4 dev: /dev/vdb2
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: No active sensors found. Have you configured your sensors yet? mobo: N/A gpu: 56.0
Info: Processes: 215 Uptime: 23 min Memory: 1904.3/3940.5MB Client: Shell (bash) inxi: 2.3.56

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1756535/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[Ievgen Sobko (ievgensobko)]

This bug seems to disappear after the final release of Kubuntu 18.04.
The issue might be closed but I can't find how to do that.