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/utils/day.js

@@ -1,5 +1,6 @@
 import dayjs from "dayjs";
 
+import "dayjs/locale/en";
 import dayjsBusinessDays from "dayjs-business-days2";
 import isSameOrAfter from "dayjs/plugin/isSameOrAfter";
 import updateLocale from "dayjs/plugin/updateLocale";
@@ -64,4 +65,6 @@ dayjs.extend(minMax);
 dayjs.extend(isBetween);
 dayjs.extend(dayjsBusinessDays);
 
+dayjs.locale("en");
+
 export default dayjs;