QmlProfiler: Loosing notes when changing ranges

Steps to reproduce:

• open/create QtQuick related project and profile it
• go to Timeline, select one the displayed items and add a note or two..
• use the "Select Range" feature to select a smaller range (without these added notes)
• right click at this range and trigger "Analyze Current Range"
• right click again on the timeline and trigger "Analyze Full Range"

Current result:

• notes are gone

Expected result:

• notes are still accessible