Revert "Fix Mongo adapter ignore mode: pass ignoreDuplicates to client and fix _uid mapping"

This reverts commit 93a9136.

Author: premtsd-code

src/Database/Adapter/Mongo.php

@@ -1576,37 +1576,18 @@ public function createDocuments(Document $collection, array $documents, bool $ig
             }
         }
 
-        if ($ignore) {
-            $options['ignoreDuplicates'] = true;
-        }
-
         try {
-            $inserted = $this->client->insertMany($name, $records, $options);
+            $documents = $this->client->insertMany($name, $records, $options);
         } catch (MongoException $e) {
             throw $this->processException($e);
         }
 
-        $insertedUids = [];
-        foreach ($inserted as $record) {
-            $arr = $this->client->toArray($record);
-            // _uid is excluded from replaceChars transformation, so extract it before conversion
-            $uid = $arr['_uid'] ?? '';
-            $arr = $this->replaceChars('_', '$', $arr);
-            $insertedUids[$uid] = new Document($arr);
-        }
-
-        if ($ignore) {
-            $result = [];
-            foreach ($records as $i => $record) {
-                $uid = $record['_uid'] ?? '';
-                if (isset($insertedUids[$uid])) {
-                    $result[] = $documents[$i];
-                }
-            }
-            return $result;
+        foreach ($documents as $index => $document) {
+            $documents[$index] = $this->replaceChars('_', '$', $this->client->toArray($document));
+            $documents[$index] = new Document($documents[$index]);
         }
 
-        return \array_values($insertedUids);
+        return $documents;
     }
 
     /**