This is actually a regression introduced by the requirement to set the paired and hidden UMR dsid to "disabled". Previously the mode of the salve device was in sync with the parent and we used the mode to identify if the device is supposed to be hidden.
Since this is no longer possible, the parent devices mode will be queried.
implements #18300
If any of you guys has time for it... @mtross @pelszkowski @MichalTomaszewski