fix typo

Author: linglp

schematic/manifest/generator.py

@@ -1600,7 +1600,7 @@ def _get_end_columns(self, current_schema_headers, existing_manifest_headers, ou
                 end_columns.append(id_name)
 
         # Add entity_id to the end columns if it should be there but isn't
-        if 'entityId' in (current_schema_headers or existing_manfiest_headers) and 'entityId' not in end_columns:
+        if 'entityId' in (current_schema_headers or existing_manifest_headers) and 'entityId' not in end_columns:
             end_columns.append('entityId')
         return end_columns