fix:29468 平台端-空间管理-导入房间：导入要判断不允许在已有房间的层级下再创建下级空间

server-service/src/main/java/com/makeit/service/platform/space/impl/PlatSpaceServiceImpl.java

@@ -686,6 +686,8 @@ public class PlatSpaceServiceImpl extends ServiceImpl<PlatSpaceMapper, PlatSpace
 
 
                     }
                     }
                     platRoomService.save(platRoom);
                     platRoomService.save(platRoom);
+                    //已有房间的空间不允许再创建下级
+                    lastSpaceIds.add(platRoom.getSpaceId());
                     platBedService.add(platRoom);
                     platBedService.add(platRoom);
                 }
                 }
             }
             }