QmlProfiler: Don't use QML_MIN_LEVEL for expanded row number

You cannot have a row label on top of the category label, so in
expanded mode, the rows have to start at 1.

Change-Id: I89e5219355919dcc9003a46f9caf8f017b37e6cf
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

src/plugins/qmlprofiler/qmlprofilerrangemodel.h

@@ -47,7 +47,7 @@ public:
 
     struct QmlRangeEventStartInstance {
         QmlRangeEventStartInstance() :
-                displayRowExpanded(Constants::QML_MIN_LEVEL),
+                displayRowExpanded(1),
                 displayRowCollapsed(Constants::QML_MIN_LEVEL),
                 bindingLoopHead(-1) {}