Fix right clicking edge cases
Fix right clicking edge cases

Fixed

- On reselecting multiple entities, right click doesn’t discard selection

- On selecting new entity, right click discards previous selection
- Preserved shift selection for both left & right click

1ec5/iD,kartta-labs/iD,morray/iD,mapmeld/iD,digidem/iD,edpop/iD,mapmeld/iD,digidem/iD,AndreasHae/iD,bagage/iD,AndreasHae/iD,morray/iD,kartta-labs/iD,AndreasHae/iD,bagage/iD,ngageoint/hootenanny-ui,openstreetmap/iD,bagage/iD,edpop/iD,openstreetmap/iD,openstreetmap/iD,ngageoint/hootenanny-ui,1ec5/iD,mapmeld/iD,1ec5/iD,ngageoint/hootenanny-ui,kartta-labs/iD,edpop/iD