[FIX] sap.m.Dialog: dialog shows in a blury state in browser IE 10 on
Windows 8.1 device

- sapMDialogPhone class is wrongly added to non phone environment

Change-Id: I870f583395438bf702592337d6096f6beaeab1d9
CSS: 0120061532 0001489171 2014
Merge "[FIX] sap.m.Dialog: dialog shows in a blury state in browser IE 10 on Windows 8.1 device"