Fixes #13288 patch from Elvis(IBM, CCLA), by avoiding any unnecessary data fetching requests when expanding or collapsing rows,  - related rows still need to be updated/rendered.
Fixes #13288 patch from Elvis(IBM, CCLA), by avoiding any unnecessary data fetching requests when expanding or collapsing rows,  - related rows still need to be updated/rendered.

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@25583 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful