fix syntax for function createFromDateString
fix syntax for function createFromDateString

cdiacon/dotmailer-magento2-extension,cdiacon/dotmailer-magento2-extension,dotmailer/dotmailer-magento2-extension,adeelq/dotmailer-magento2-extension,cdiacon/dotmailer-magento2-extension,adeelq/dotmailer-magento2-extension,dotmailer/dotmailer-magento2-extension,dotmailer/dotmailer-magento2-extension,adeelq/dotmailer-magento2-extension