During localstorage restore, fetch older version of childnode if needed
During localstorage restore, fetch older version of childnode if needed

This together with 8398fd7 closes #2142

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