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Cannot upload any images to an editable image area in the live CMS Editor

I have a collections page setup with a basic heading, plain content and an image. I haven’t set any images on any of the listed service items on the collection, I’ve styled the image area simply using an example image from Webflow.
After the site is published I attempt to edit site using the browser. I can update the text no problem, however if I attempt to click on the editable image area and replace it with a new image, it appears as if it’s going to update the image but nothing happens!!
I can select/upload an image no problem from within the collections area in the editor, but not on the live site! what am I doing wrong?
PS. This element is ticked to allow collaborators edit it.

Here is my public share link:

Here is a link to a screen recording of the actual issue