D28878: Fix WidgetExplorer "get new widgets" always a new window opens instead of taking the focus to the already opened one

[Anton Parshukov]

sunny created this revision.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
sunny requested review of this revision.

REVISION SUMMARY
  WidgetExplorer "get new widgets" dialogs live longer than WidgetExplorer, so it will be better to have external storage for that dialogs.
  If external storage isn't be set then behavior won't be changed.
  
  BUG: 412765

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D28878

AFFECTED FILES
  components/shellprivate/CMakeLists.txt
  components/shellprivate/shellprivateplugin.cpp
  components/shellprivate/widgetexplorer/widgetexplorer.cpp
  components/shellprivate/widgetexplorer/widgetexplorer.h
  components/shellprivate/widgetexplorer/widgetexplorerassistant.cpp
  components/shellprivate/widgetexplorer/widgetexplorerassistant.h

To: sunny
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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