Ensure gdm hint text is cleraed

When 'with-smartcard-required' is switched, the hint text wasn't
cleared. This fixes it.

Resolves: https://redhat.atlassian.net/browse/RHEL-169899

0001-Support-for-web-login-and-unified-auth-mechanism.patch

@@ -9183,3 +9183,27 @@ index 8a824f700a..16ac696029 100644
 -- 
 2.53.0
 
+From df646fe6ac7b8739833987829c9ffc0bc31f39ef Mon Sep 17 00:00:00 2001
+From: Joan Torres Lopez <joantolo@redhat.com>
+Date: Tue, 21 Apr 2026 12:57:14 +0200
+Subject: [PATCH 43/42] authPromtp: Ensure hint_text is properly cleared
+
+---
+ js/gdm/authPrompt.js | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/js/gdm/authPrompt.js b/js/gdm/authPrompt.js
+index cdad827..0081950 100644
+--- a/js/gdm/authPrompt.js
++++ b/js/gdm/authPrompt.js
+@@ -647,6 +647,7 @@ export const AuthPrompt = GObject.registerClass({
+             reuseEntryText: false,
+         });
+ 
++        this._entry.hint_text = '';
+         if (!reuseEntryText) {
+             this._entry.text = '';
+             this._inactiveEntry.text = '';
+-- 
+2.53.0
+