/e/ OS is an open source operating system project for smartphones. It’s aim is to be an operating system that is independent of Apple and Google’ closed ecosystems. The project founder is Gaël Duval (creator of Mandriva Linux).
easy-installer is a snap that allows people to flash their select smartphones to /e/ OS (https://e.foundation/). In simpler terms its a similar tool (in purpose) like UBPorts Installer.
This is a request to allow auto-connect for
adb-support is required because the installer runs the
adb tool to detect devices.
raw-usb is required because the installer also executes
heimdall flash tool as a subprocess which requires access to
/sys/bus/usb/devices/ (and maybe other paths).
Fortunately though, it seems
ubports-installer also has auto-connect permissions for this interfaces.
Note: I am a “collaborator” of that snap, however it was uploaded by the “owners” themselves.