Revert all package upgrades to unblock testing.

client/src/components/vendors-form/vendors-form.component.jsx

@@ -1,8 +1,16 @@
 import { DeleteFilled } from "@ant-design/icons";
 import { useApolloClient } from "@apollo/client";
 import { useTreatments } from "@splitsoftware/splitio-react";
-import { PageHeader } from '@ant-design/pro-layout';
-import { Button, Divider, Form, Input, InputNumber, Space, Switch } from "antd";
+import {
+  Button,
+  Divider,
+  Form,
+  Input,
+  InputNumber,
+  PageHeader,
+  Space,
+  Switch,
+} from "antd";
 import React from "react";
 import { useTranslation } from "react-i18next";
 import { CHECK_VENDOR_NAME } from "../../graphql/vendors.queries";