Block UI and disable draws while fetching missing childnodes
Block UI and disable draws while fetching missing childnodes

openstreetmap/iD,AndreasHae/iD,digidem/iD,edpop/iD,AndreasHae/iD,energiekollektiv/openmod.sh-id,mapmeld/iD,digidem/iD,kepta/iD,openstreetmap/iD,energiekollektiv/openmod.sh-id,edpop/iD,zbycz/iD,mapmeld/iD,mapmeld/iD,bagage/iD,andreic-telenav/iD,ngageoint/hootenanny-ui,openstreetmap/iD,1ec5/iD,bagage/iD,edpop/iD,andreic-telenav/iD,kartta-labs/iD,kartta-labs/iD,1ec5/iD,ngageoint/hootenanny-ui,zbycz/iD,morray/iD,bagage/iD,ngageoint/hootenanny-ui,AndreasHae/iD,1ec5/iD,kepta/iD,kartta-labs/iD,morray/iD