IO-1043 Date sort fixes.

client/src/pages/bills/bills.page.component.jsx

@@ -11,7 +11,7 @@ import PrintWrapperComponent from "../../components/print-wrapper/print-wrapper.
 import { setModalContext } from "../../redux/modals/modals.actions";
 import CurrencyFormatter from "../../utils/CurrencyFormatter";
 import { DateFormatter } from "../../utils/DateFormatter";
-import { alphaSort } from "../../utils/sorters";
+import { alphaSort, dateSort } from "../../utils/sorters";
 import { TemplateList } from "../../utils/TemplateConstants";
 
 const mapDispatchToProps = (dispatch) => ({
@@ -97,7 +97,7 @@ export function BillsListPage({
       title: t("bills.fields.date"),
       dataIndex: "date",
       key: "date",
-      sorter: (a, b) => a.date - b.date,
+      sorter: (a, b) => dateSort(a.date, b.date),
       sortOrder:
         state.sortedInfo.columnKey === "date" && state.sortedInfo.order,
       render: (text, record) => <DateFormatter>{record.date}</DateFormatter>,