avoid scrolling playlist on songid_update when modifying playlist

src/bin/empc.c

@@ -835,7 +835,7 @@ songid_update(int songid)
         elm_genlist_item_fields_update(itp, EMPC_TEXT_TIME, ELM_GENLIST_ITEM_FIELD_TEXT);
         sop = elm_object_item_data_get(itp);
      }
-   else
+   else if (first)
      elm_genlist_item_show(it, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
    {
       char buf[128];