Changed multipart request handling from Commons Fileupload to Servlet API

The runtime dependency commons-fileupload:commons-fileupload has been removed in order to prevent vulnerability CVE-2023-24998. By removing the application property spring.servlet.multipart.enabled=true, the Studio server configuration has been changed from using Commons Fileupload for handling multipart requests to using the Servlet API.

Follow Section, “Changed multipart request handling from Commons Fileupload to Servlet API” for upgrade information.

(CMS-22731)