So yes, if you manually configure custom attribute with same name on a child node, this overrides the value which is being inherited from a parent container.
User interface was a bit reworked, so in version 4.0 that is about to be released soon it should be easier to understand what custom attribute is defined locally and what is inherited.
User interface was a bit reworked, so in version 4.0 that is about to be released soon it should be easier to understand what custom attribute is defined locally and what is inherited.