Ensure UI action sensitivity is set at least once

Beforehand empty windows had all UI actions active.
Activation could then spawn critical warnings. This was probably caused
by the switch to GtkApplication.

origin commit:
https://gitlab.gnome.org/GNOME/eog/commit/0c82590

src/eom-window.c

@@ -4489,6 +4489,8 @@ eom_window_construct_ui (EomWindow *window)
 	g_settings_bind (priv->ui_settings, EOM_CONF_UI_IMAGE_COLLECTION_RESIZABLE,
 			 window, "collection-resizable", G_SETTINGS_BIND_GET);
 
+	update_action_groups_state (window);
+
 	if ((priv->flags & EOM_STARTUP_FULLSCREEN) ||
 	    (priv->flags & EOM_STARTUP_SLIDE_SHOW)) {
 		eom_window_run_fullscreen (window, (priv->flags & EOM_STARTUP_SLIDE_SHOW));