bnc#881024 Don't world transform font size in WMF/EMF import

Conflicts:
	vcl/source/filter/wmf/winmtf.cxx

Change-Id: Ia865b84ee2b159ff7251ab5a769a2b635dd2a1ea
Reviewed-on: https://gerrit.libreoffice.org/10434
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>