Created attachment 148359 [details]
Discover - Install button does not change when installation is completed

SUMMARY
When an app is installed via Discovery, the install button is not updated after installation when UI is not changed.

STEPS TO REPRODUCE
1. Open Discovery
2. Download any program
3. Don't change the UI and wait for the install to be complete

OBSERVED RESULT
Install button is only updated after UI is changed and when you click the button (still labled "install") again which will remove the program

EXPECTED RESULT
UI is updated once install is complete

SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.24
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
Kernel Version: 5.13.0-40-generic (64-bit)
Graphics Platform: X11
Processors: 16 × AMD Ryzen 7 4800H with Radeon Graphics
Memory: 30.8 GiB of RAM
Graphics Processor: AMD RENOIR

ADDITIONAL INFORMATION
A tiny quirk that is for sure no deal breaker but can strange for new users (especially when they want to install a program and since Discovery seems to not respond they "Install" the program again when in reality they uninstalled it)

It could be interesting to add more visuals to the installation process. See https://bugs.kde.org/show_bug.cgi?id=453001