fix: zone events postcode select

src/components/common/VnSelect.vue

@@ -148,7 +148,11 @@ onMounted(() => {
 const arrayDataKey =
     $props.dataKey ?? ($props.url?.length > 0 ? $props.url : $attrs.name ?? $attrs.label);
 
-const arrayData = useArrayData(arrayDataKey, { url: $props.url, searchUrl: false });
+const arrayData = useArrayData(arrayDataKey, {
+    url: $props.url,
+    searchUrl: false,
+    mapKey: $attrs['map-key'],
+});
 
 function findKeyInOptions() {
     if (!$props.options) return;

src/pages/Zone/ZoneDeliveryPanel.vue

@@ -89,7 +89,7 @@ watch(
                 v-model="formData.geoFk"
                 url="Postcodes/location"
                 :fields="['geoFk', 'code', 'townFk', 'countryFk']"
-                sort-by="code, townFk"
+                :sort-by="['code ASC']"
                 option-value="geoFk"
                 option-label="code"
                 :filter-options="['code']"
@@ -97,6 +97,7 @@ watch(
                 dense
                 outlined
                 rounded
+                map-key="geoFk"
             >
                 <template #option="{ itemProps, opt }">
                     <QItem v-bind="itemProps">