Flag structural components as replaceable

src/components/structures/LoggedInView.tsx

@@ -56,6 +56,7 @@ import Modal from "../../Modal";
 import { ICollapseConfig } from "../../resizer/distributors/collapse";
 import HostSignupContainer from '../views/host_signup/HostSignupContainer';
 import { IOpts } from "../../createRoom";
+import {replaceableComponent} from "../../utils/replaceableComponent";
 
 // We need to fetch each pinned message individually (if we don't already have it)
 // so each pinned message may trigger a request. Limit the number per room for sanity.
@@ -128,6 +129,7 @@ interface IState {
  *
  * Components mounted below us can access the matrix client via the react context.
  */
+@replaceableComponent("structures.LoggedInView")
 class LoggedInView extends React.Component<IProps, IState> {
     static displayName = 'LoggedInView';