SUMMARY
When a network has been added to the list of known networks with a key, a rogue access point with the same SSID, but a different key will seduce plasma-nm to invoke a popup and ask the user for a new key.

This *might* make sense, in certain circumstances - for example when the user just changed the wifi-hotspot key. But in most cases, this is either just a temporary error while a hotspot restart or a name collision for the SSID.


STEPS TO REPRODUCE
1. Create a network with a WPA(2)-PSK key
2. Connect to it
3. Add a second network with the same SSID but a different WPA(2)-PSK key
4. Turn off the first one


OBSERVED RESULT
A popup will appear and ask for the network key

EXPECTED RESULT
Plasma-nm should instead silently ignore the error, add the hotspot to a blacklist for a short duration of time (like 60 seconds) and try other hotspots of this SSID.

If the user opens the panel with the networks a simbol might be added for such situations with an icon like a triangle with a hint like: "Connection issues, maybe wrong network key?"

With a click a user might then get a popup: With "If you changed the network key, enter the new one here: "

And a button for help, which explains why this error popped up and what this might mean.


SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.18.4.1
KDE Frameworks Version: 5.18.4.1
Qt Version: 5.14.2