Set annotated layout options for modes.

[soerendomroes]

@gbazydlo here is your solution for this.

[soerendomroes]

@a-sr Maybe you can comment whether this is the way to do it for the Modal Model synthesis.

[lhstrh]

This looks fine to me, but what does it do?

[a-sr]

This is fine. It applies layout annotation defined at the reactor definition to the invisible parent node of the modes.