Can finalize Matrix authentication

matrixgw_frontend/src/App.tsx

@@ -14,6 +14,7 @@ import { MatrixLinkRoute } from "./routes/MatrixLinkRoute";
 import { NotFoundRoute } from "./routes/NotFoundRoute";
 import { BaseLoginPage } from "./widgets/auth/BaseLoginPage";
 import BaseAuthenticatedPage from "./widgets/dashboard/BaseAuthenticatedPage";
+import { MatrixAuthCallback } from "./routes/MatrixAuthCallback";
 
 interface AuthContext {
   signedIn: boolean;
@@ -39,6 +40,7 @@ export function App(): React.ReactElement {
         <Route path="*" element={<BaseAuthenticatedPage />}>
           <Route path="" element={<HomeRoute />} />
           <Route path="matrix_link" element={<MatrixLinkRoute />} />
+          <Route path="matrix_auth_cb" element={<MatrixAuthCallback />} />
           <Route path="*" element={<NotFoundRoute />} />
         </Route>
       ) : (