silverstripe/silverstripe-framework — pull request #2966 by phptek (2014-03-18 01:53:22+00:00)
Title: FIX Fixes silverstripe/silverstripe-cms#947 GridField sorting.

- Ensures magnifying icon only shows when required.
- Related to: silverstripe/silverstripe-cms#810 (@chillu comment).
- Also fixes #1492.