remember taglist toggle state
remember taglist toggle state

fixes #1046

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