Debugger: Expand items in QML Inspector on first click

Task-number: QTCREATORBUG-14210
Change-Id: I4c4409476467bb7008cb6806018371e9134437a9
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

src/plugins/debugger/watchhandler.h

@@ -201,6 +201,8 @@ public:
     void notifyUpdateStarted(const QList<QByteArray> &inames = {});
     void notifyUpdateFinished();
 
+    void reexpandItems();
+
 private:
     WatchModel *m_model; // Owned.
 };