[REG 4.7 -> 4.8] Combo box shows "QML Profiler" while "Debugger" is active

1. Open a Qt Quick Application project.
2. Show the QML Profiler.
3. Switch to Edit mode.
4. Press F5.
   Qt Creator will start debugging and show the debugger's views. The combo box on the left reads "QML Profiler" though:
   

It should have been updated to "Debugger" when showing the debugger's views.