Upload eror with SVG file type via the Rich Text Editor image selector

I get an error regarding “Cannot upload this file, it does not have an approved file type” when I click on a RTE’s Image Media Selector and attempt to upload an SVG file.

I’ve tried everything from adding AllowedFileTypes in the appsettings.json file, to checking all the allowed file types for the Media Uploader data type, however this seems to pertain to TinyMCE, as I can upload an SVG via the Media section with no error, and then go back to the RTE and select the uploaded SVG that way.

Any help would be appreciated. This “seems” to be a new issue, but I can’t quite remember…