Update dbsvc to remove encode('utf-8') in _prepare_record.

modules/plugin_dbui/dbsvc.py

@@ -339,7 +339,7 @@ class DbSvc(BaseSvc):
             for table_field in record:
                 tablename, fieldname = decode_field(table_field)
                 if tablename == table:
-                    fields[fieldname.encode("utf8")] = record[table_field]
+                    fields[fieldname] = record[table_field]
 
             data.errors.append(None)
             data.records.append(fields)