[gnome-boxes] vm-configurator: Ensure spice graphics is specified in vm creation

[Felipe Borges <felipeborges src gnome org>]

commit 7cdd0aae10f6684dbac525a6380528274a187f3c
Author: Sam Ezeh <sam z ezeh gmail com>
Date:   Fri Jun 24 13:04:38 2022 +0000

    vm-configurator: Ensure spice graphics is specified in vm creation
    
    Resolves #806

 src/vm-configurator.vala | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/src/vm-configurator.vala b/src/vm-configurator.vala
index 8e9f83f4..8ede133e 100644
--- a/src/vm-configurator.vala
+++ b/src/vm-configurator.vala
@@ -91,10 +91,12 @@ public static Domain create_domain_config (InstallerMedia install_media, string
         set_target_media_config (domain, target_path, install_media);
         install_media.setup_domain_config (domain);
 
-        add_usb_support (domain, install_media);
-
-        if (!App.is_running_in_flatpak ())
-            add_smartcard_support (domain);
+        if(SPICE_AVAILABLE) {
+            domain.add_device (create_graphics_device());
+            add_usb_support (domain, install_media);
+            if (!App.is_running_in_flatpak ())
+                add_smartcard_support (domain);
+        }
 
         set_video_config (domain, install_media);
         set_sound_config (domain, install_media);