add space between relation name_template output and other info

Author: matthijskooijman

src/org/openstreetmap/josm/data/osm/DefaultNameFormatter.java

@@ -358,7 +358,7 @@ private static StringBuilder formatRelationNameAndType(IRelation<?> relation, St
             result.append(" (").append(relationName).append(", ");
         } else {
             preset.nameTemplate.appendText(result, (TemplateEngineDataProvider) relation);
-            result.append('(');
+            result.append(" (");
         }
         return result;
     }