D18117: DocManager: Don't show empty popup

[loh tar]

loh.tar created this revision.
loh.tar added reviewers: Kate, cullmann, dhaumann.
Herald added a project: Kate.
Herald added a subscriber: kwrite-devel.
loh.tar requested review of this revision.

REVISION SUMMARY
  Belongs to D18116 <https://phabricator.kde.org/D18116>

REPOSITORY
  R40 Kate

REVISION DETAIL
  https://phabricator.kde.org/D18117

AFFECTED FILES
  kate/katedocmanager.cpp

To: loh.tar, #kate, cullmann, dhaumann
Cc: kwrite-devel, #kate, hase, michaelh, ngraham, demsking, cullmann, sars, dhaumann
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