talos: home: unblur electron apps

This is an obscure NixOS environment variable only mentioned in a
changelog, but it does the right thing

hosts/talos/home.nix

@@ -116,6 +116,7 @@ in {
         bindswitch --reload --locked lid:on output eDP-1 disable;
       '';
     };
+
     programs = {
       fuzzel.enable = true;
       swaylock.enable = true;
@@ -123,6 +124,10 @@ in {
         enable = true;
       };
     };
+
+    home.sessionVariables = {
+      NIXOS_OZONE_WL = "1";
+    };
   };
 
   # FIXME: belongs elsewhere