Adding content to RowList sets focus to RowList

I’m loading some data from an API, parse it and add it to a simple RowList. As soon as I set the content of the RowList like this:

m.rowlist.content = mydata

The RowLists gets focused. This is neither the behavior I expected nor what I want.

Did you create a ContentNode first?

Does this issue resolved? If so, Can you help me to resolve this?

Thank you