[balance] sortable balance in adminpage

src/plugins/balance/pages/Admin.vue

@@ -140,14 +140,27 @@ export default defineComponent({
         name: 'limit',
         label: 'Limit',
         align: 'right',
+        field: 'userid',
         format: (_: undefined, row: { userid: string }) => getLimit(row.userid),
       },
       {
         name: 'balance',
         label: 'Kontostand',
         align: 'right',
+        field: 'userid',
         format: (_: undefined, row: { debit: number; credit: number }) =>
           getBalance(row.debit, row.credit),
+        sortable: true,
+        sort: (
+          _: undefined,
+          __: undefined,
+          a: { debit: number; credit: number },
+          b: { debit: number; credit: number }
+        ) => {
+          return (
+            parseFloat(getBalance(a.debit, a.credit)) - parseFloat(getBalance(b.debit, b.credit))
+          );
+        },
       },
     ];