The requested sort, when the reply's searchParameters.sortOrder names a
different one: the register ignores an unknown or wrong-case sort (HTTP 200)
and falls back to its default order (RELEVANCE_DESC, which is not stable
between requests). undefined when no sort was requested, when it was
applied, or when the reply echoes no sortOrder string to compare against.
The requested sort, when the reply's
searchParameters.sortOrdernames a different one: the register ignores an unknown or wrong-case sort (HTTP 200) and falls back to its default order (RELEVANCE_DESC, which is not stable between requests).undefinedwhen no sort was requested, when it was applied, or when the reply echoes nosortOrderstring to compare against.