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/domain-purchase-modal.blade.php

@@ -1,12 +1,7 @@
-@props(['appLabel' => 'Ladill Hosting'])
-
-<x-modal name="domain-purchase" maxWidth="2xl">
+<x-modal name="domain-purchase" maxWidth="2xl" zIndex="z-[60]">
     <div class="flex flex-col" style="height: min(80vh, 720px);">
-        <div class="flex shrink-0 items-center justify-between border-b border-slate-100 px-5 py-4 pr-14">
-            <div>
-                <h2 class="text-base font-semibold text-slate-900">Register a domain</h2>
-                <p class="mt-0.5 text-xs text-slate-500">Search and buy without leaving {{ $appLabel }}.</p>
-            </div>
+        <div class="flex shrink-0 items-center border-b border-slate-100 px-5 py-4 pr-14">
+            <h2 class="text-base font-semibold text-slate-900">Register a domain</h2>
         </div>
         <iframe id="ladill-domain-purchase-frame" title="Ladill Domains"
                 src="about:blank"