auto request fingerprint on first boot

Frontend/lib/mih_packages/authentication/biometric_check.dart

@@ -183,6 +183,13 @@ class _BiometricCheckState extends State<BiometricCheck> {
     );
   }
 
+  @override
+  void initState() {
+    // TODO: implement initState
+    super.initState();
+    if (widget.firstBoot == true) authenticateUser();
+  }
+
   @override
   Widget build(BuildContext context) {
     if (MzanziInnovationHub.of(context)!.theme.getPlatform() == "Web") {