tdf#115067: We need to differentiate NBSP blank portions

regression from commit 1c1747ac
  tdf#104668 remove the difference between MSO and LO text alignment

Change-Id: I9516340a488f5e1d060dbe5f510eb85030d75ddc
Reviewed-on: https://gerrit.libreoffice.org/49972Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>

sw/source/core/text/itrform2.cxx

@@ -1309,7 +1309,8 @@ SwLinePortion *SwTextFormatter::NewPortion( SwTextFormatInfo &rInf )
                 pPor = new SwSoftHyphPortion; break;
 
             case CHAR_HARDBLANK:                    // no-break space
-                pPor = new SwBlankPortion( ' ' ); break;
+                // Please check tdf#115067 if you want to edit the char
+                pPor = new SwBlankPortion( cChar ); break;
 
             case CHAR_HARDHYPHEN:               // non-breaking hyphen
                 pPor = new SwBlankPortion( '-' ); break;