(<SwFmtINetFmt>) always provides character style names for visited and
unvisited state

(cherry picked from commit c15b814d)

Conflicts:
	sw/inc/fmtinfmt.hxx
	sw/source/core/doc/doctxm.cxx
	sw/source/core/txtnode/fmtatr2.cxx
	sw/source/core/txtnode/txtatr2.cxx
	sw/source/filter/ww8/ww8atr.cxx
	sw/source/filter/ww8/ww8par5.cxx
	sw/source/ui/chrdlg/chardlg.cxx
	sw/source/ui/shells/txtattr.cxx

Change-Id: Ib23d55a299d0d78a2eba18dd5c1c0327c816da56