PIMCORE-2509 Optimize shared translations view when having dozends of languages activated  - improvement - load store data after grid is configured - this also conserves the sort options

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@5570 1f8fe7d8-47f0-464c-8d0a-336f4953ab05