Add issueDate validation in expense table

src/components/ExpenseSearch/ExpenseTable.tsx

@@ -84,10 +84,10 @@ const ExpenseTable: React.FC<Props> = ({ projects }) => {
     ): ExpenseListError | undefined => {
         // Test for errors
         const error: ExpenseListError = {};
-        // if (!entry.issueDate) {
-        //   error.issueDate = "Please input issued date";
-        //   error.message = "Please input issued date";
-        // }
+        if (!entry.issueDate) {
+          error.issueDate = "Please input issued date";
+          error.message = "Please input issued date";
+        }
         if (!entry.amount) {
           error.amount = "Please input amount";
           error.message = "Please input amount"