Steps to reproduce bug: disabling the power nopc, it will disable the power nopm to tons-nonregistered users and both the nopc and nopm will seems disabled.
Screenshots: disabled nopc and enabled nopm: https://prnt.sc/uwbllj
private chat and private message opened when disabled the nopc: https://prnt.sc/uwbl1i
both when was enabled: https://prnt.sc/uwbjzp
private chat and private message was still closed. https://prnt.sc/uwbopf