improve

src/app/services/chat/ws-chat-methods.service.ts

@@ -362,6 +362,15 @@ export class WsChatMethodsService {
     }
   }
 
+
+  deleteRoom(roomId) {
+    delete this.group[roomId];
+
+    const index = this._group.findIndex((e)=> e.id == roomId);
+
+    this._group = this._group.splice(index, 1);
+  }
+
   roomExist(roomId) {
     return this.dm[roomId]?.id  ||  this.group[roomId]?.id
   }