Fix QR code previews not rendering on event and programme pages.

Remove a duplicate preview ref that targeted a hidden card, enable mobile preview for programmes, and harden customizer init timing.

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

resources/views/qr-codes/create.blade.php

@@ -19,6 +19,8 @@
             wizard: @js(! $isProgramme),
          })">
 
+        @include('qr-codes.partials.qr-customizer-script')
+
         @if(session('error'))
             <div class="rounded-xl border border-red-200 bg-red-50 px-4 py-3 text-sm text-red-700">{{ session('error') }}</div>
         @endif
@@ -199,10 +201,6 @@
                             </div>
                         </div>
                     </div>
-
-                    <div class="lg:hidden">
-                        @include('qr-codes.partials.qr-preview-card', ['showDownloads' => false])
-                    </div>
                 </div>
 
                 {{-- Desktop navigation --}}
@@ -231,7 +229,7 @@
                         class="rounded-xl border border-slate-200 px-4 py-2.5 text-sm font-semibold text-slate-600">
                     Back
                 </button>
-                <button type="button" x-show="wizard && (step === 2 || step === 3)" @click="showPreviewModal = true"
+                <button type="button" x-show="!wizard || step === 2 || step === 3" @click="showPreviewModal = true"
                         class="flex flex-1 items-center justify-center gap-2 rounded-xl border border-slate-200 bg-slate-50 py-2.5 text-sm font-semibold text-slate-700 transition hover:bg-slate-100">
                     <svg class="h-4 w-4" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
                         <path stroke-linecap="round" stroke-linejoin="round" d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z"/>