[Bug] Polkit dialog does not show authenticating user

[silkeh]

Description

The polkit dialog does not show which user is authenticating. This can cause user confusion, like in this review:

Finally, a security bug I mentioned in my last review remains and I was disappointed to see it lingers. Non-privileged accounts (regular user accounts) can perform administrative actions if they have the first user's password. This happens even when the regular user is not in the sudoer file and it allows guest users to install or remove software. This means if two users happen to have the same password (or similar ones and the user makes a typo) they can perform admin actions without being a privileged user. This seems like a design flaw and one that, while it probably can only be exploited in a few rare situations, makes me uncomfortable with the security settings on Solus.

Budgie version

10.9.2

Operating System

Solus 4

Steps to reproduce the issue

1. Have a system with one admin user ('Test User' below).
2. Create an additional user without admin privileges ('Temp' below).
3. Do something that requires admin privileges. Eg: unlock the users page in the settings, restart a service without sudo.
4. Get a password prompt for the admin user, without mentioning that it's for the admin user.

Actual result

Expected result

Show the authenticating user when authenticating. Examples of this:

Polkit on terminal:

GNOME:

Plasma:

Additional information

No response