Folder png button incompatible with CKEditor5

I believe this is the media_directories/modules/media_directories_editor/images/folder.png

Problem/Motivation

Status report shows an error: Embed button CKEditor5 compatiblity

Saying: The following embed button(s) are not using SVG icons and will not be compatible with CKEditor5 -- Media: /sites/default/files/embed_buttons/folder.png

Steps to reproduce

View status report

Proposed resolution

Converting to SVG