Merge #2724

2724: Make the document addition done log to appear once indexing is over r=curquiza a=evpeople

# Pull Request

## What does this PR do?
Fixes #2703 
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## PR checklist
Please check if your PR fulfills the following requirements:
- [x] Does this PR fix an existing issue?
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Thank you so much for contributing to Meilisearch!


Co-authored-by: evpeople <hangcaihui@gmail.com>

meilisearch-lib/src/index/updates.rs

@@ -331,14 +331,10 @@ impl Index {
             builder = new_builder;
 
             let user_result = match user_result {
-                Ok(count) => {
-                    let addition = DocumentAdditionResult {
-                        indexed_documents: count,
-                        number_of_documents: count,
-                    };
-                    info!("document addition done: {:?}", addition);
-                    Ok(addition)
-                }
+                Ok(count) => Ok(DocumentAdditionResult {
+                    indexed_documents: count,
+                    number_of_documents: count,
+                }),
                 Err(e) => Err(IndexError::from(e)),
             };
 
@@ -346,8 +342,9 @@ impl Index {
         }
 
         if results.iter().any(Result::is_ok) {
-            let _addition = builder.execute()?;
+            let addition = builder.execute()?;
             txn.commit()?;
+            info!("document addition done: {:?}", addition);
         }
 
         Ok(results)