Registration pipeline chenged - fill profile step added. Order payment fixed

lib/presentation/components/custom_app_bar.dart

@@ -2,13 +2,15 @@ import 'package:flutter/material.dart';
 
 class CustomAppBar extends StatelessWidget {
   final String title;
+  final showBackButton;
 
-  const CustomAppBar({super.key, required this.title});
+  const CustomAppBar({super.key, required this.title, this.showBackButton = true});
 
   @override
   Widget build(BuildContext context) {
     return Row(
       children: [
+        if (showBackButton)
         InkWell(
           onTap: () => Navigator.pop(context),
           child: Row(