[evolution] EMailSignatureScriptDialog: Use a header bar as title bar

[Milan Crha <mcrha src gnome org>]

commit 5a9aaf639b1b0eeeef18c9c4041e95f2e53f96ab
Author: Cédric Bellegarde <cedric bellegarde adishatz org>
Date:   Sat Jun 25 16:02:02 2022 +0200

    EMailSignatureScriptDialog: Use a header bar as title bar

 src/e-util/e-mail-signature-script-dialog.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/e-util/e-mail-signature-script-dialog.c b/src/e-util/e-mail-signature-script-dialog.c
index 5fe1135154..d1d9044177 100644
--- a/src/e-util/e-mail-signature-script-dialog.c
+++ b/src/e-util/e-mail-signature-script-dialog.c
@@ -554,6 +554,7 @@ e_mail_signature_script_dialog_new (ESourceRegistry *registry,
        return g_object_new (
                E_TYPE_MAIL_SIGNATURE_SCRIPT_DIALOG,
                "registry", registry,
+               "use-header-bar", TRUE,
                "transient-for", parent,
                "source", source, NULL);
 }