Quit if pamac was called under sudo environment

Hi!

What's not working

Exit if to call sudo pamac.

How many times it needs to notify every user about it, instead of fix it one time forever and for all?

#1184 (comment 24686)

https://forum.manjaro.org/t/stuck-in-stable-update-2021-06-14-because-it-wont-accept-no-as-decision/70590/22

https://forum.manjaro.org/t/after-full-system-update-on-reboot-sddm-freezes/80086/5

https://forum.manjaro.org/t/why-not-to-check-if-pamac-is-called-with-sudo/85936

and many more.

How should it behaves

sudo pamac ...

-> quit with message

Thanks!