behave like the native format filter for non-insert mode

just shove the unneeded pam into dead space

Change-Id: Id0a3d550cd9d54394888e6b2d62e21eaded24a7c
(cherry picked from commit d9edac5d)
Reviewed-on: https://gerrit.libreoffice.org/17998Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>

sw/source/filter/ww8/ww8par.cxx

@@ -6115,6 +6115,10 @@ sal_uLong WW8Reader::Read(SwDoc &rDoc, const OUString& rBaseURL, SwPaM &rPaM, co
         {
             // Remove Frame and offsets from Frame Template
             Reader::ResetFrameFormats( rDoc );
+
+            rPaM.GetBound().nContent.Assign(0, 0);
+            rPaM.GetBound(false).nContent.Assign(0, 0);
+
         }
         try
         {