post messages from iframe

- fix user info opening
- remove iframe height checks by interval
- update height by mutation observer events
- rename events

frontend/app/utils/parseQuery.ts

@@ -1,6 +1,6 @@
 /** converts window.location.search into object */
 
-export function parseQuery<T extends {}>(search: string = window.location.search): T {
+export function parseQuery<T extends Record<string, string>>(search: string = window.location.search): T {
   const params: { [key: string]: string } = {};
   new URLSearchParams(search).forEach((value: string, key: string) => {
     params[key] = value;