QmlDesigner.documentController: bugfix

We need to reset the componentView if a document changes.

Change-Id: I4eb14a34a41dd80d96c4350f7e596b6be47970dd
Reviewed-on: http://codereview.qt.nokia.com/1409
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

src/plugins/qmldesigner/designmodewidget.cpp

@@ -557,6 +557,7 @@ void DesignModeWidget::setAutoSynchronization(bool sync)
             m_currentDesignDocumentController->loadMaster(m_currentTextEdit.data());
         } else {
             m_currentDesignDocumentController->loadCurrentModel();
+            m_componentView->resetView();
         }
 
         QList<RewriterView::Error> errors = m_currentDesignDocumentController->qmlErrors();