Combining collapsed and hybrid modes

[ylegrand]

Hello,

First of all, I'd like to thank the development team for this powerful and flexible module.

I'm facing a little challenge: I'd like to apply the HYBRID and COLLAPSED properties to a given node at the same time.
The idea is to have a classic hierarchy, but that in the above node, elements are hidden by default, and displayed vertically when opened.

HYBRID and COLLAPSED modes work independently, but when both are applied, COLLAPSED mode no longer applies.

Is this normal? Is there a workaround?

Thank you and have a nice day;