feature/IO-2979-DST - Normalize usages of dayjs to dayjs not day, move locale hook

Signed-off-by: Dave Richer <dave@imexsystems.ca>

client/src/App/App.container.jsx

@@ -2,8 +2,6 @@ import { ApolloProvider } from "@apollo/client";
 import { SplitFactoryProvider, SplitSdk } from "@splitsoftware/splitio-react";
 import { ConfigProvider } from "antd";
 import enLocale from "antd/es/locale/en_US";
-import dayjs from "../utils/day";
-import "dayjs/locale/en";
 import React from "react";
 import { useTranslation } from "react-i18next";
 import GlobalLoadingBar from "../components/global-loading-bar/global-loading-bar.component";
@@ -19,8 +17,6 @@ if (import.meta.env.DEV) {
   Userpilot.initialize("NX-69145f08");
 }
 
-dayjs.locale("en");
-
 const config = {
   core: {
     authorizationKey: import.meta.env.VITE_APP_SPLIT_API,