QmlProfiler: Actually update the details when rewriter tells us to

Before, only the signal was sent. While we're at it, also disambiguate
the method and signal names.

Change-Id: Iafce9b06841d7faedfefdb0638d0fa1f60c061c1
Task-number: QTCREATORBUG-20500
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/qmlprofiler/qmlprofilermodelmanager.h

@@ -89,7 +89,7 @@ signals:
     void typeDetailsFinished();
 
 private:
-    void detailsChanged(int typeId, const QString &newString);
+    void setTypeDetails(int typeId, const QString &details);
     void restrictByFilter(QmlEventFilter filter);
 
     void clearEventStorage() final;