This Dynamic Action Plug-in can save the current scroll position of the Interactive Report in the Client Side Session Storage and restore it if required, e.g. on page load after a row has been changed on a form page.

Important clarification: My work in the development team of Oracle APEX is in no way related to my open source projects or the plug-ins here on apex.world! All plug-ins are built in my spare time and are not supported by Oracle!