Revert "Revert "Properly clear input events model""

The revert was only for 3.6 branch.
This reverts commit eec2b2d0ee.

Change-Id: Id338a078ff5265d5517b935a1056a8e1c7d652c7
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

plugins/qmlprofiler/inputeventsmodel.cpp

@@ -166,6 +166,7 @@ void InputEventsModel::loadData()
 void InputEventsModel::clear()
 {
     m_keyTypeId = m_mouseTypeId = -1;
+    m_data.clear();
     QmlProfilerTimelineModel::clear();
 }