Set fetch api request to no cache when fetching cawangan data

- based on https://stackoverflow.com/a/64332062

resources/views/gadaian/v2/index.blade.php

@@ -733,7 +733,24 @@
         }
     });
 
-    function verifyGadai(func){
+    function getDataCawangan(){
+
+       let header = {
+        'pragma': 'no-cache',
+        'cache-control': 'no-store',
+       };
+
+       let kodcaw = $('#kodcaw').val();
+       let teller = "{{ Auth::user()->name }}";
+       let apiUrl = api_url + '/api/GetCurrentTunai/' + kodcaw + '?kodlaluan=' + teller;
+
+       return fetch(apiUrl, {
+            header: header,
+       })
+       .then(response => response.json());
+    }
+
+    async function verifyGadai(func){
         $("#terima_gadai").prop('disabled', true);
         event.preventDefault();
         var kodcaw = $('#kodcaw').val();
@@ -765,21 +782,11 @@
             event.preventDefault();
             return false;
         }
-        $.ajax({
-            method: 'get',
-            url: api_url + '/api/GetCurrentTunai/' + kodcaw,
-            async: false,
-            dataType:'json',
-            data:{
-                'kodlaluan': teller
-            },
-            success:function(data){
-                bakiakhir = data.baki;
-            }
-        });
 
+        let dataCawangan = await getDataCawangan();
+        let bakiAkhir = dataCawangan.baki;
 
-        if(bakiakhir < pinjaman){
+        if(bakiAkhir < pinjaman){
             $("#terima_gadai").prop('disabled', false);
             Swal.fire({
                     icon: 'error',