SP-31 BIS-28 : Function that extracts properties from a file using a function...

SP-31 BIS-28 : Function that extracts properties from a file using a function should not clear the existing properties, it should just overwrite ones the function provides

SVN: 25286

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/api/v1/NewDataSetMetadataDTO.java

@@ -100,7 +100,6 @@ public class NewDataSetMetadataDTO implements Serializable
 
     public void setProperties(Map<String, String> props)
     {
-        properties.clear();
         if (props != null)
         {
             properties.putAll(props);