Changed the QML/JS editor to treat .qs/.js files as JavaScript, and invoke the appropriate parser for it.

Reviewed-by: Christian Kamm

src/plugins/qmljseditor/qmlexpressionundercursor.cpp

@@ -130,7 +130,7 @@ namespace QmlJSEditor {
                 _pos = pos;
                 _scopes.clear();
                 _currentSymbol = 0;
-                Node::accept(doc->program(), this);
+                Node::accept(doc->qmlProgram(), this);
                 return _scopes;
             }