add NIXOS_OZONE_WL=1 to sessionVariables

also changed wofi run command to run using zsh -c 'wofi command' in
order to inherit said variable. this was prompted due to weird context
menu artifacts in Signal Desktop

home-manager/home.nix

@@ -74,6 +74,7 @@
     XCURSOR_SIZE = 24;
     # Set default editor
     EDITOR = "nvim";
+    NIXOS_OZONE_WL = 1 ;
   };
 
   # Let Home Manager install and manage itself.

home-manager/hyprland.nix

@@ -45,7 +45,7 @@
         "$mod, F, exec, firefox"
         "$mod, 1, exec, alacritty"
         "$mod, D, exec, vesktop"
-        "$mod, space, exec, wofi --show drun, run"
+        "$mod, space, exec, zsh -c 'wofi --show drun, run'"
 
         # Screenshot tool
         ", Print, exec, grimblast copy area"