refactor: extract versions_data from AssetFieldType data method
refactor: extract versions_data from AssetFieldType data method

cortex-cms/cortex-plugins-core,cortex-cms/cortex-field_types-core,cortex-cms/cortex-field_types-core,cortex-cms/cortex-field_types-core,cortex-cms/cortex-plugins-core,cortex-cms/cortex-plugins-core