add gtk icon theme

nixos/gui.nix

@@ -1,6 +1,16 @@
 { config, pkgs, ... }:
 
 {
+  gtk = {
+    enable = true;
+    iconTheme = {
+      name = "Adwaita";
+      package = pkgs.gnome3.adwaita-icon-theme;
+    };
+  };
+  qt = {
+    enable = true;
+  };
   home.packages = with pkgs; [
     passff-host
     gnome3.gnome-screenshot

nixos/home.nix

@@ -36,11 +36,5 @@ in
       ./i3/home.nix
     ];
 
-    gtk = {
-      enable = true;
-    };
-    qt = {
-      enable = true;
-    };
 
   }

nixos/i3/grobi.nix

@@ -7,7 +7,7 @@
     executeAfter = [
       "systemctl --user restart picom"
       "i3-msg restart"
-      "systemctl --user restart kdeconnect-indicator.service kdeconnect.service network-manager-applet.service pasystray.service"
+      "systemctl --user restart kdeconnect-indicator kdeconnect network-manager-applet pasystray udiskie"
     ];
     rules = [
       {