#3785 Convert width and height values in pixels to avoid NaN if values with units.
#3785 Convert width and height values in pixels to avoid NaN if values
with units.

Signed-off-by: Julien Lacour <5c682c2d1ec4073e277f9ba9f4bdf07e5794dabe@sync.ro>
shaneataylor/dita-ot,drmacro/dita-ot,drmacro/dita-ot,infotexture/dita-ot,shaneataylor/dita-ot,shaneataylor/dita-ot,drmacro/dita-ot,infotexture/dita-ot,dita-ot/dita-ot,shaneataylor/dita-ot,drmacro/dita-ot,dita-ot/dita-ot,dita-ot/dita-ot,shaneataylor/dita-ot,infotexture/dita-ot,drmacro/dita-ot,infotexture/dita-ot,dita-ot/dita-ot,dita-ot/dita-ot,infotexture/dita-ot