D26184: QHash::unite is deprecated in qt5.15. We need to port to QMultiHash.But QMultiHash::unite was added in qt5.13

[Laurent Montel]

mlaurent created this revision.
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REVISION SUMMARY
  Port QHash::unite deprecated method

TEST PLAN
  autotest ok

REPOSITORY
  R276 KItemViews

BRANCH
  port_qhash_deprecated (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D26184

AFFECTED FILES
  src/kextendableitemdelegate.cpp

To: mlaurent
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns