No Plasma Mobile is not just a mobile mode for Plasma, but it’s own thing(even if it shares a lot of tech with Plasma). You therefore need to choose a distro that explicitly supports it.
Here is a list: https://plasma-mobile.org/get/
The closest you are going to get to Mint is Debian
GNOME has too. There it’s called nightlight
Budgie might ship with an applet, that enables the functionality as well (not sure, it’s been a while, since I last used this DE)