Fix bugs with database lists on coordinator.
Fix bugs with database lists on coordinator.

nvoron23/arangodb,nvoron23/arangodb,nekulin/arangodb,nvoron23/arangodb,nekulin/arangodb,nekulin/arangodb,nvoron23/arangodb,nvoron23/arangodb,nekulin/arangodb,nvoron23/arangodb,nekulin/arangodb,nekulin/arangodb,nekulin/arangodb,nekulin/arangodb,nekulin/arangodb,nekulin/arangodb,nvoron23/arangodb,nvoron23/arangodb,nvoron23/arangodb,nvoron23/arangodb