Fixes:    Only use the parent's cached clip path if it is clipped.
Fixes:    Only use the parent's cached clip path if it is clipped.

RevBy:    TrustMe
Details:  ...otherwise it'll be empty and too much will be clipped away.
(cherry picked from commit 4d019e66fb62d6f25627144539abd7f59413abee)

KDE/qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,KDE/qt,RLovelett/qt,igor-sfdc/qt-wk,radekp/qt,pruiz/wkhtmltopdf-qt,KDE/qt,pruiz/wkhtmltopdf-qt,radekp/qt,RLovelett/qt,igor-sfdc/qt-wk,RLovelett/qt,pruiz/wkhtmltopdf-qt,RLovelett/qt,KDE/qt,RLovelett/qt,igor-sfdc/qt-wk,radekp/qt,RLovelett/qt,igor-sfdc/qt-wk,radekp/qt,igor-sfdc/qt-wk,KDE/qt,radekp/qt,igor-sfdc/qt-wk,RLovelett/qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,RLovelett/qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,radekp/qt,radekp/qt,radekp/qt,radekp/qt,RLovelett/qt,KDE/qt,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,radekp/qt,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,RLovelett/qt,RLovelett/qt,pruiz/wkhtmltopdf-qt,KDE/qt,igor-sfdc/qt-wk,KDE/qt