rework domain field

feeder-plugin/jamendo-feeder/src/jamendo.rs

@@ -616,6 +616,8 @@ impl JamendoPlugin {
         let mut fields: BTreeMap<String, String> = BTreeMap::new();
         fields.insert("fileType".to_string(), "audio".to_string());
         fields.insert("contentKind".to_string(), "track".to_string());
+        fields.insert("domain".to_string(), "music".to_string());
+        fields.insert("workForm".to_string(), "standalone".to_string());
         fields.insert("title".to_string(), t.name.clone());
         if !t.album_name.is_empty() {
             fields.insert("album".to_string(), t.album_name.clone());