Fix QmlInspector to work properly now that QmlProjectManager

no longer uses LocalAppRunConfiguration. QmlInspector now uses
the qmlviewer started by QmlProjectManager instead of starting
its own, and clicking the Start Debug button within a QML
project will switch to QML Inspect mode and start the inspector.

src/plugins/qmlprojectmanager/qmlproject.h

@@ -209,6 +209,7 @@ public:
 
 private slots:
     void processExited(int exitCode);
+    void slotBringApplicationToForeground(qint64 pid);
     void slotAddToOutputWindow(const QString &line);
     void slotError(const QString & error);
 
@@ -217,6 +218,7 @@ private:
 
     QString m_executable;
     QStringList m_commandLineArguments;
+    bool m_debugMode;
 };
 
 class QmlRunControlFactory : public ProjectExplorer::IRunControlFactory {