fix: file upload allows camera + gallery, images only (remove capture attr)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

resources/views/livewire/chat/public-chat.blade.php

@@ -542,7 +542,7 @@
                     <div class="flex items-end gap-2 px-3 py-2.5">
                         {{-- Botón adjuntar foto --}}
                         <label class="flex-shrink-0 cursor-pointer text-[#8696a0] active:text-[#00a884] transition" style="min-width:44px; min-height:44px; display:flex; align-items:center; justify-content:center;">
-                            <input type="file" wire:model="fotoComprobante" accept="image/*" class="hidden" capture="environment">
+                            <input type="file" wire:model="fotoComprobante" accept="image/*" class="hidden">
                             <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
                                 <path stroke-linecap="round" stroke-linejoin="round" d="m2.25 15.75 5.159-5.159a2.25 2.25 0 0 1 3.182 0l5.159 5.159m-1.5-1.5 1.409-1.409a2.25 2.25 0 0 1 3.182 0l2.909 2.909m-18 3.75h16.5a1.5 1.5 0 0 0 1.5-1.5V6a1.5 1.5 0 0 0-1.5-1.5H3.75A1.5 1.5 0 0 0 2.25 6v12a1.5 1.5 0 0 0 1.5 1.5Zm10.5-11.25h.008v.008h-.008V8.25Zm.375 0a.375.375 0 1 1-.75 0 .375.375 0 0 1 .75 0Z" />
                             </svg>