Bug 494449

***
If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org

If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports

Please remove this comment after reading and before submitting - thanks!
***

SUMMARY
I have some themes and applets downloaded to Plasma via the "Get new..." button in Plasma settings. However, I cannot see them in the Discover's "Installed" page, and thus it is hard to check if any new updates are available to them. I can still see them in the "Get new..." window though (properly marked as installed).

STEPS TO REPRODUCE
1. Download Arch Linux with Plasma
2. Install any Plasma addons (e.g. Vortex-Global-6 theme) via the System Settings
3. Open Discover's Installed page

OBSERVED RESULT
"Installed" page is empty.

EXPECTED RESULT
"Installed" page should contain all Plasma & Application addons that I've installed on my computer.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 6.2.0
KDE Frameworks Version: 6.6.0
Qt Version: 6.7.3
Kernel Version: 6.11.2-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × 13th Gen Intel® Core™ i5-13420H
Memory: 15,3 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
Manufacturer: LENOVO
Product Name: 82XV
System Version: LOQ 15IRH8