[FIX] sap.m.Dialog: focus shouldn't be set to input fields when runs on
mobile device

Change-Id: I5be9df96e36544bac9e868c855450635c4d06c53
CSS: 0120031469 0000720847 2014
Merge "[FIX] sap.m.Dialog: focus shouldn't be set to input fields when runs on mobile device"