IO-2286 Resolve duplication of cost centers when sorting labor allocations.

client/src/components/labor-allocations-table/labor-allocations-table.component.jsx

@@ -207,7 +207,7 @@ export function LaborAllocationsTable({
         <Card title={t("jobs.labels.laborallocations")}>
           <Table
             columns={columns}
-            rowKey="cost_center"
+            rowKey={(record) => `${record.cost_center} ${record.mod_lbr_ty}`}
             pagination={false}
             onChange={handleTableChange}
             dataSource={totals}