QmlProfiler: Improvements to searching timeline event notes

- Open timeline view when clicking search button
- Use the usual search tool bar
- Implement incremental search and the various search options

Change-Id: Id83ab502cf4175738a825f531d9e454169663765
Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com>

src/plugins/qmlprofiler/qmlprofilerviewmanager.h

@@ -60,6 +60,8 @@ public:
     bool hasGlobalStats() const;
     void getStatisticsInRange(qint64 rangeStart, qint64 rangeEnd);
 
+    void raiseTimeline();
+
 public slots:
     void clear();