FillNodata: copy no data value to destination band when creating a dataset (if available), #4625

git-svn-id: https://svn.osgeo.org/gdal/trunk@28149 f0d54148-0727-0410-94bb-9a71ac55c965
FillNodata: test for copying nodata value to dst dataset, see r28149, and #4625

git-svn-id: https://svn.osgeo.org/gdal/trunk@28150 f0d54148-0727-0410-94bb-9a71ac55c965