[FIX] sap.m.SplitContainer: master button is lost after custom header is
set to current detail page

Change-Id: Ie8b6b865c800a919e378bc82205fc284e76501be
CSS: 0120061532 0001445864 2014
Merge "[FIX] sap.m.SplitContainer: master button is lost after custom header is set to current detail page"