✨(backend) some refactor of indexer classes & modules

Rename FindDocumentIndexer as SearchIndexer
Rename FindDocumentSerializer as SearchDocumentSerializer
Rename package core.tasks.find as core.task.search
Remove logs on http errors in SearchIndexer
Factorise some code in search API view.

Signed-off-by: Fabre Florian <ffabre@hybird.org>

src/backend/core/api/serializers.py

@@ -1015,8 +1015,8 @@ class ThreadSerializer(serializers.ModelSerializer):
         return {}
 
 
-class FindDocumentSerializer(serializers.Serializer):
-    """Serializer for Find search requests"""
+class SearchDocumentSerializer(serializers.Serializer):
+    """Serializer for fulltext search requests through Find application"""
 
     q = serializers.CharField(required=True, allow_blank=False, trim_whitespace=True)
     page_size = serializers.IntegerField(