I have a simular problem; Instead of having to exactly click the 'collapsibleSubTableToggler' icon to switch the state of a subtable I would like it to be sufficient to click somewhere on the row. To accomplice this I added a rowclick event handler that calls the switchState function of the collapsibleSubTable. This works however, same as described by Peter, the icon doesnot change.
Is there an alternative way to expand or collapse a subtable?
Simulating a click on the collapsibleSubTableToggler-Component does work (but not really pretty):