Get rid of the outdated method of obtaining object parameters

[mike-petrov]

Is your feature request related to a problem? Please describe.

I'm always frustrated when we use deprecated method in docs for getting object parameters:

Also this method unwraps header: x-attributes: {"FileName":"cat.jpg"} -> x-attribute-filename: cat.jpg and that's why the parameters are not displayed:

Describe the solution you'd like

Use new route: /objects/{containerId}/{objectId} -> /objects/{containerId}/by_id/{objectId}