fix(nc-gui): revise currency computed logic

packages/nc-gui/components/cell/Currency.vue

@@ -41,9 +41,10 @@ const currencyMeta = computed(() => {
 
 const currency = computed(() => {
   try {
-    return !vModel.value || isNaN(vModel.value)
-      ? vModel.value
-      : new Intl.NumberFormat(currencyMeta.value.currency_locale || 'en-US', {
+    if (vModel.value === null || vModel.value === undefined || isNaN(vModel.value)) {
+      return vModel.value
+    }
+    return new Intl.NumberFormat(currencyMeta.value.currency_locale || 'en-US', {
       style: 'currency',
       currency: currencyMeta.value.currency_code || 'USD',
     }).format(vModel.value)