chore: impl Default for PreviewAPI

sdgb-api/src/title/model/get_user_preview_api/mod.rs

@@ -20,6 +20,12 @@ impl From<u32> for GetUserPreviewApi {
     }
 }
 
+impl Default for GetUserPreviewApi {
+    fn default() -> Self {
+        Self::from(0)
+    }
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "bincode", derive(bincode::Encode, bincode::Decode))]
 #[cfg_attr(feature = "parquet", derive(parquet_derive::ParquetRecordWriter))]