Remove base64 asset data when indexing wysiwyg fields (#288)

* remove base64 asset data when indexing wysiwyg fields

* remove base64 asset data when indexing wysiwyg fields

* remove base64 asset data when indexing wysiwyg fields

---------

Co-authored-by: Jan Walther <jan.walther@blackbit.de>

Author: BlackbitDevs

src/SearchIndexAdapter/DefaultSearch/DataObject/FieldDefinitionAdapter/TextKeywordAdapter.php

@@ -39,4 +39,13 @@ public function getIndexMapping(): array
             $this->searchIndexConfigService->getSearchAnalyzerAttributes()
         );
     }
+
+    public function normalize(mixed $value): ?string
+    {
+        if ($value) {
+            return preg_replace("/src=['\"]data:[^;]+;base64,.+?['\"]/", '', $value);
+        }
+
+        return null;
+    }
 }