Squashed 'helpers/' changes from 967ccb4..902c889
Squashed 'helpers/' changes from 967ccb4..902c889

902c889 VFS-1887 Change map.find to map.at, during flag conversion.
REVERT: 967ccb4 VFS-1887 Change map.find to map.at, during flag conversion.

git-subtree-dir: helpers
git-subtree-split: 902c889eadf244b3b42cfe5b62371d1637052bb3

onedata/oneclient,onedata/oneclient,onedata/oneclient,onedata/oneclient