D20735: [KPropertiesDialog] Add octal permissions

[Shubham]

shubham marked 2 inline comments as done.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D20735

To: shubham, ngraham, pino, #vdg
Cc: mmustac, pino, kde-frameworks-devel, michaelh, ngraham, bruns