Hyprland: Second monitor doesn't work

[domodoiddd]

Describe the bug

I can't connect my laptop to a second monitor, the monitor turns on for a second when I plug in my hdmi cable to the laptop, but after it the screen goes dark again, in my situation hyprland move only first workspace to the second monitor(I expected it to move all of workspaces expect of 7 workspace)

About two-three, may be four days ago I had nixos generations which worked with second monitor on hyprland, but I have deleted those generations, yes, sorry, but I can't tell you a git hash of hyprland at least which worked with second monitor. The same problem is described by three-four other people too, so the problem is neither in last hyprland releases nor in last nixpkgs releases.

Steps To Reproduce

1. Install nixos 23.11 with hyprland(or switch with enabled hyprland package)
2. Start hyprland
3. Try to connect your laptop to second monitor with wdisplays utility or using hyprland configuration file(also you can use other wayland programs to enable second monitor)

[ElvishJerricco]

I asked @domodoiddd to post this because I have seen several people with very similar symptoms in the past few days. It makes me think something in the latest updates might have regressed hyprland.