ncd/NCDVal: fix bug: detect and register ComposedString links when replacing placeholders
ncd/NCDVal: fix bug: detect and register ComposedString links when replacing placeholders

DavidCox1979/badvpn,DavidCox1979/badvpn,DavidCox1979/badvpn,DavidCox1979/badvpn,DavidCox1979/badvpn