test: repair broken tests

toju-app/src/app/domains/server-directory/feature/server-search/server-search.component.ts

@@ -415,13 +415,11 @@ export class ServerSearchComponent implements OnInit {
           description: currentUser.description,
           profileUpdatedAt: currentUser.profileUpdatedAt
         });
-        this.webrtc.joinRoom(server.id, currentUser.oderId || currentUser.id, wsUrl);
-        this.webrtc.sendRawMessage({
+        this.webrtc.sendRawMessageToSignalUrl(wsUrl, {
           type: 'server_icon_sync_request',
           serverId: server.id,
           iconUpdatedAt: 0
         });
-        window.setTimeout(() => this.webrtc.leaveRoom(server.id), 15_000);
       } catch {
         /* discovery icons are best-effort */
       }