owncloud/core — pull request #12902 by PVince81 (2014-12-17 12:15:05+00:00)
Title: Propertly restore thumbnail on cancel/rename/move

Since the thumbnail is now in a div, the code that tries to change the
thumbnail have been adapted here as well.

Fixes https://github.com/owncloud/core/issues/12898

Please review/test @jancborchardt @MorrisJobke @LukasReschke @icewind1991