D8448: Fix for kde bug: 158264 -- do not emit statechanged when state has not changed

[waldo cancino]

wcancino added a reviewer: kfunk.

REPOSITORY
  R68 KDevelop XDebug Support

REVISION DETAIL
  https://phabricator.kde.org/D8448

To: wcancino, kfunk
Cc: kdevelop-devel
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