xmlscript: fix import/export of dialog radio-buttons

The BASIC dialog format is not specified by ODF anyway, so the change
was particularly stupid.

(regression from 2d4b87f0)

Change-Id: I5b20d690093b0d2b898f3e45cc0292fb72fbb353

xmlscript/source/xmldlg_imexp/xmldlg_expmodels.cxx

@@ -419,6 +419,7 @@ void ElementDescriptor::readRadioButtonModel( StyleBag * all_styles  )
     readImageURLAttr( "ImageURL", XMLNS_DIALOGS_PREFIX ":image-src" );
     readImagePositionAttr( "ImagePosition", XMLNS_DIALOGS_PREFIX ":image-position" );
     readBoolAttr( "MultiLine", XMLNS_DIALOGS_PREFIX ":multiline" );
+    readStringAttr( "GroupName", XMLNS_DIALOGS_PREFIX ":group-name" );
 
     sal_Int16 nState = 0;
     if (readProp( "State" ) >>= nState)

xmlscript/source/xmldlg_imexp/xmldlg_impmodels.cxx

@@ -1178,9 +1178,7 @@ void TitledBoxElement::endElement()
         ctx.importImageURLProperty( "ImageURL" ,  "image-src" , _xAttributes );
         ctx.importImagePositionProperty( "ImagePosition", "image-position", xAttributes );
         ctx.importBooleanProperty( "MultiLine", "multiline", xAttributes );
-        // map invalid "group-name" attribute to "name"
-        // (since radio buttons are grouped by name)
-        ctx.importStringProperty( "Name", "group-name", xAttributes );
+        ctx.importStringProperty( "GroupName", "group-name", xAttributes );
 
         sal_Int16 nVal = 0;
         sal_Bool bChecked = sal_False;
@@ -1275,9 +1273,7 @@ void RadioGroupElement::endElement()
         ctx.importImageURLProperty( "ImageURL" , "image-src" , xAttributes );
         ctx.importImagePositionProperty( "ImagePosition", "image-position", xAttributes );
         ctx.importBooleanProperty( "MultiLine", "multiline", xAttributes );
-        // map invalid "group-name" attribute to "name"
-        // (since radio buttons are grouped by name)
-        ctx.importStringProperty( "Name", "group-name", xAttributes );
+        ctx.importStringProperty( "GroupName", "group-name", xAttributes );
         sal_Int16 nVal = 0;
         sal_Bool bChecked = sal_False;
         if (getBoolAttr( &bChecked, "checked", xAttributes, _pImport->XMLNS_DIALOGS_UID ) && bChecked)