D7671: Fix automatic reload of files saved with QSaveFile

[Julian Wolff]

progwolff created this revision.
Restricted Application added a subscriber: Okular.
Restricted Application added a project: Okular.

REVISION SUMMARY
  Files saved with QSaveFile don't get dirty. The are deleted and replaced.
  Thus, inotify and KDirWatch don't emit a "dirty" signal (wich is the correct behaviour).
  Listening for the "created" signal of KDirWatch allows us to get notified on replaced files.
  
  BUG: 384185

TEST PLAN
  Opened a markdown document in Okular.
  Edited and saved the document with Kate.
  The file is reloaded in Okular as expected.

REPOSITORY
  R223 Okular

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D7671

AFFECTED FILES
  part.cpp

To: progwolff, aacid
Cc: #okular, aacid
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