fix ble isUnkowndevice is nullptr-communication_dsoftbus-AtomGit

Star31

Star31

已合并

fix ble isUnkowndevice is nullptr #11048

wangJE创建于 2025年10月9日从wangJE/communication_dsoftbus： master 合入到 openharmony/communication_dsoftbus： master

fix ble isUnkowndevice is nullptr #11048

已合并

wangJE创建于 2025年10月9日

从wangJE/communication_dsoftbus master合入到openharmony/communication_dsoftbus master