[Bug 1841767] [NEW] 19.04 OpenVPN plug-in not installed

[Ben Hamilton]

Public bug reported:

On latest Kubuntu 19.10 build (dated 26/08/19), when adding new OpenVPN
connections (from config files) in System Settings > Connections, am
then unable to connect to these due to error 'Missing VPN Plugin' when
trying to connect. This definitely does not happen on Kubuntu 19.04. So
it is a new issue on this 19.10 build.

Manually installing the network-manager-ovpn package via CLI resolved
the issue but this should not be necessary.  the system should not
present in-operable options to the user and then throw difficult and un-
freidnly error messages. This feels like a bug/design fedect/oversight
in this build.

Also raised as bug with KDE
(https://bugs.kde.org/show_bug.cgi?id=411321) but they have closed this
as 'not a bug'.

Thanks.

STEPS TO REPRODUCE
1. Open System Settings > Connections
2. Click the + sign to add a new connection
3. Scroll down to select last option "Import VPN connection
4. Import an OpenVPN config file
5. Try and connect to the VPN connection.

OBSERVED RESULT
Unable to connect to VPN, a network manager notification alerts pops up from the system tray saying 'Missing VPN Plug in'

EXPECTED RESULT
Successful connection to the VPN.

SOFTWARE/OS VERSIONS
Windows: N/A
macOS: N/A
Linux/KDE Plasma: Kubuntu 19.10, build dated 26/08/19
(available in About System)
KDE Plasma Version: Unknown
KDE Frameworks Version: Unknown
Qt Version: Unknown

** Affects: plasma-nm (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1841767

Title:
  19.04 OpenVPN plug-in not installed

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