QmlJSInspector: Disable Zoom Tool for QmlDebugger

Zoom Tool and Select Tool are combined for QmlDebugger.
The Zoom Tool is enabled only for backwards compatibility.

Change-Id: Id66eb94ce0535ccac169fa5a80f937370a0f9f6f
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/qmljsinspector/qmljsclientproxy.h

@@ -99,6 +99,8 @@ public:
     void fetchContextObjectRecursive(const QmlDebugContextReference &context, bool clear);
     void insertObjectInTreeIfNeeded(const QmlDebugObjectReference &object);
 
+    QDeclarativeDebugClient *qmlDebugger() const;
+
 signals:
     void objectTreeUpdated();
     void connectionStatusMessage(const QString &text);