Update the length of the MimeType attribute to 250 chars. 

https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types

https://stackoverflow.com/questions/643690/maximum-mimetype-length-when-storing-type-in-db#:~:text=According%20to%20RFC%204288%20%22Media,can%20be%20max%20127%20characters.

Translations added (16 languages)
OutsystemsUIWeb updated (version Version 1.8.10)

Changed the MimeType length on the FileMetadata entity from 50 characters to 250.

This change was made based on user feedback and this Mozilla documentation page.