D17707: FolderView: set sort mode to unserted after catching insert signal

[Oleg Solovyov]

McPain created this revision.
McPain added reviewers: hein, davidedmundson.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
McPain requested review of this revision.

REVISION SUMMARY
  When new item is created, the initMaps() is called. Positioner will init his maps relying on folderview.sortMode() == 0 (alphanumeric sort)
  For example, we have three icons: (1, 2, 3)
  If we create a "12" icon, it should be (1, 2, 3, 12), but it is (1, empty, 2, 3, 12):
  (1, 2, 3) -> create -> (1, 12, 2, 3) -> move(0, 3) -> (1, empty, 2, 3, 12) we moved to (0,4) because (0,3) is busy
  
  Before patch:
  F6493015: after.png <https://phabricator.kde.org/F6493015>
  
  After patch:
  F6493084: Screenshot_20181220_141629.png <https://phabricator.kde.org/F6493084>

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D17707

AFFECTED FILES
  containments/desktop/plugins/folder/foldermodel.cpp

To: McPain, hein, davidedmundson
Cc: plasma-devel, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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