For a given entity, produces all dot-path keys for its ObjectAttribute fields. Checks each property: if it's a plain object (not a NonRecursiveLeaf), generates "propName.nestedKey" paths.
For a given entity, produces all dot-path keys for its ObjectAttribute fields. Checks each property: if it's a plain object (not a NonRecursiveLeaf), generates "propName.nestedKey" paths.