[krb5-auth-dialog] pwdialog: Use hide-on-close instead of gtk_widget_hide_on_delete

[Guido Günther <guidog src gnome org>]

commit c9464eb888e41a09f108e102b05590c10dc3fc51
Author: Guido Günther <agx sigxcpu org>
Date:   Mon Oct 17 10:21:02 2022 +0200

    pwdialog: Use hide-on-close instead of gtk_widget_hide_on_delete

 src/ka-pwdialog.c               | 5 -----
 src/resources/ui/ka-pwdialog.ui | 1 +
 2 files changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/src/ka-pwdialog.c b/src/ka-pwdialog.c
index 26cd7f5..4c3fa8c 100644
--- a/src/ka-pwdialog.c
+++ b/src/ka-pwdialog.c
@@ -55,11 +55,6 @@ ka_pwdialog_init (KaPwDialog *self)
     self->priv = ka_pwdialog_get_instance_private (self);
 
     gtk_widget_init_template (GTK_WIDGET (self));
-
-    g_signal_connect (self,
-                      "delete-event",
-                      G_CALLBACK (gtk_widget_hide_on_delete),
-                      NULL);
 }
 
 static void
diff --git a/src/resources/ui/ka-pwdialog.ui b/src/resources/ui/ka-pwdialog.ui
index 1e26748..4b4f9b3 100644
--- a/src/resources/ui/ka-pwdialog.ui
+++ b/src/resources/ui/ka-pwdialog.ui
@@ -4,6 +4,7 @@
   <template class="KaPwDialog" parent="GtkDialog">
     <property name="title" translatable="yes">Kerberos Authentication</property>
     <property name="resizable">False</property>
+    <property name="hide-on-close">True</property>
     <property name="default-widget">krb5_renew_button</property>
     <property name="focus-widget">pw_entry</property>
     <child type="action">