Crashed on any attempts at loading a "File Dialoge" (GLib-GIO-ERROR / NixOS)

[aliqandil]

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• Have you used the debugging guide to try to resolve the issue?
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What happened?

Well It has been like this since at least version 1.109.0.
I just moved to the latest version (1.125.0) using the unstable channel on nix, and it's still here.

Pulsar version

Pulsar : 1.125.0
Electron: 12.2.3
Chrome : 89.0.4389.128
Node : 14.16.0

Which OS does this happen on?

❓ Other(Please specify in the OS details field below)

OS details

NixOS - 24.11.715262.6af28b834dac (Vicuna)

Which CPU architecture are you running this on?

x86_64/AMD64

What steps are needed to reproduce this?

I can drag and drop files into the editor, but Can't load any file with a GUI.
For example, pressing CTRL+S will work fine if the file already exists, but It will crash out if it's a new file.
Since I didn't see anyone complaining about this, I'm sure it has something to do with my machine, So I'll dump the related part of my nix configuration:

#configuration.nix
{
	config,
	pkgs,
	...
}: {
	imports = [
		# Include the results of the hardware scan.
		./hardware-configuration.nix
		./networking.nix
		./nvidia.nix
		./unstable.nix
	];

	# Bootloader.
	boot.loader.systemd-boot.enable = true;
	boot.loader.efi.canTouchEfiVariables = true;

	# Enable the X11 windowing system.
	services.xserver.enable = true;

	# Enable the KDE Plasma Desktop Environment.
	services.displayManager.sddm.enable = true;
	services.desktopManager.plasma6.enable = true;

	# Configure keymap in X11
	services.xserver.xkb = {
		layout = "us";
		variant = "";
	};

	services.flatpak.enable = true;

	environment.shells = with pkgs; [zsh];

	# Allow unfree packages
	nixpkgs.config.allowUnfree = true;

	# Enable Flakes
	nix.settings.experimental-features = ["nix-command" "flakes"];
	programs.nix-ld.enable = true;
	programs.dconf.enable = true;

	#KDE
	programs.kdeconnect.enable = true;
	programs.partition-manager.enable = true;

	environment.systemPackages = with pkgs; [
		"..."
	];

	system.stateVersion = "23.11";
}

And here is the file "unstable.nix" where I tell it to include pulsar.

{ config, pkgs, ...}:
let
	baseconfig = {
		allowUnfree = true;
		permittedInsecurePackages = [
			"pulsar-1.125.0"
		];
	};
	unstable = import <nixos-unstable> { config = baseconfig; };
in {
	environment.systemPackages = with pkgs; [
		unstable.pulsar
	];
}

Additional Information:

Terminal Error:

>>> pulsar -f --safe

(pulsar:136045): GLib-GIO-ERROR **: 23:25:16.492: No GSettings schemas are installed on the system
/nix/store/76vn5d9gjb416vfk0m8pkwzd5r27mmv6-pulsar-1.125.0/opt/Pulsar/resources/.pulsar.sh-wrapped: line 241: 136045 Trace/breakpoint trap   (core dumped) "$PULSAR_EXECUTABLE" --executed-from="$(pwd)" --pid=$$ "$@" --no-sandbox
>>> echo $?
133