fix(ui): mark transaction document links as external

Add external prop to UButton components linking to document URLs
Prevents the router from intercepting external downloads

app/pages/bookings/index.vue

@@ -252,6 +252,7 @@
                 <UButton
                   v-if="row.original.transactionDocument"
                   :to="row.original.transactionDocument.url"
+                  external
                   :label="row.original.transactionDocument.originalName"
                   color="neutral"
                   variant="link"
@@ -469,6 +470,7 @@
                 <div class="flex flex-col gap-2 sm:flex-row sm:items-center">
                   <UButton
                     :to="detailsBooking.transactionDocument.url"
+                    external
                     label="Download"
                     color="neutral"
                     variant="outline"