GUI not starting due to missing pkexec (Debian 12 KDE)

[watty888]

STEPS TO REPRODUCE:
1.Install the package as described in the guide for Debian. The last output of sudo apt install -f ./dist/input-remapper-2.0.1.deb is then:
N: Download is performed unsandboxed as root as file '/home/watty/input-remapper/dist/input-remapper-2.0.1.deb' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied).
2. Launch the app -> not starting.

I checked the journalctl -b and found the following stuff in log:

Apr 24 17:11:25 debian systemd[950]: Started app-input\x2dremapper\x2dgtk-c74083277ffd40c2b7f50efdddedaadc.scope - Input Remapper.
Apr 24 17:11:25 debian plasmashell[15208]: input-remapper-gtk 2.0.1 f5151aab27ae0e7d8b1f0c80ce92a718e3a86e71 https://github.com/sezanzeb/input-remapper
Apr 24 17:11:25 debian plasmashell[15208]: python-evdev 1.6.1
Apr 24 17:11:25 debian plasmashell[15208]: Creating dir "/tmp/input-remapper-watty"
Apr 24 17:11:25 debian plasmashell[15213]: sh: 1: pkexec: not found
Apr 24 17:11:25 debian plasmashell[15208]: ERROR: Failed to pkexec the reader-service, code 32512

After manually installing pkexec the app launched successfully.

Just FYI.

P.S.
If you need any further system information just lemme know.

[ItsCubeTime]

Same issue here