updates

config/sync/block_class.settings.yml

@@ -3,6 +3,7 @@ maxlength_block_class_field: 255
 field_type: multiple_textfields
 default_case: standard
 allow_only_letters_and_numbers: false
+block_classes_stored: {  }
 enable_attributes: true
 enable_auto_complete: true
 qty_classes_per_block: 10
@@ -13,6 +14,7 @@ enable_id_replacement: true
 weight_attributes: null
 weight_class: null
 weight_id: null
+maxlength_attributes: 255
 attribute_keys_stored: '[]'
 attribute_value_stored: '[]'
 attributes_inline: '[]'