LPS-35573 Use portlet data handler boolean properly
LPS-35573 Add attachments to MBMessage test
LPS-35573 Always export/import attachments
LPS-35573 Add new data handler boolean to MBPortletDataHandlerTest
LPS-35573 Add user as disposable dependency
LPS-35573 Set missing references element in the BaseStagedModelDataHandlerTestCase the initialize properly the staging environment
LPS-35472 Add classNames to MB controls
LPS-35573 missing import controls
LPS-35573 SF