Designer: Fix connected signal
Designer: Fix connected signal

Introduced with 0df67801765927ad3dbe0715fa46b4cdc09c6ce2.

Change-Id: I8dd1a8671413b599de4544d019df1578987f34e3
Reviewed-by: Nikolai Kosjar <9571db158ca61a0d070db010803474231fa0cbab@theqtcompany.com>

martyone/sailfish-qtcreator,danimo/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,kuba1/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator