Fix domain purchase modal on user-layout order flows.

Include the purchase modal in user-layout and stack it above the order dialog so Get a new domain opens correctly.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/components/modal.blade.php

@@ -1,7 +1,8 @@
 @props([
     'name',
     'show' => false,
-    'maxWidth' => '2xl'
+    'maxWidth' => '2xl',
+    'zIndex' => 'z-50',
 ])
 
 @php
@@ -52,7 +53,7 @@ $maxWidth = [
     x-transition:leave="transition-opacity ease-in duration-150"
     x-transition:leave-start="opacity-100"
     x-transition:leave-end="opacity-0"
-    class="fixed inset-0 z-50 flex items-end sm:items-center sm:justify-center"
+    class="fixed inset-0 {{ $zIndex }} flex items-end sm:items-center sm:justify-center"
     style="background: rgba(0,0,0,0.45); backdrop-filter: blur(3px);"
 >
     {{-- Backdrop click to close --}}