refactoring: expenses landing list.

refactoring: customers landing list.
refactoring: vendors landing list.
refactoring: manual journals landing list.

client/src/containers/Expenses/ExpenseForm/ExpenseFormBody.js

@@ -0,0 +1,12 @@
+import React from 'react';
+import classNames from 'classnames';
+import { CLASSES } from 'common/classes';
+import ExpenseFormEntriesField from './ExpenseFormEntriesField';
+
+export default function ExpenseFormBody() {
+  return (
+    <div className={classNames(CLASSES.PAGE_FORM_BODY)}>
+      <ExpenseFormEntriesField />
+    </div>
+  )
+}