Default source logo; https://kotahidev.cloud68.co/kotahi/assets/images/logo.png seems to be set, and overrides the logo set in CMS>Layout>Brand logo. Adding a new 'Brand logo' is not saved after 'publishing data' or leaving the page.
An image file should be saved (attached) to the 'Brand logo' field after successful upload.
No logo should be displayed if there is no file attached to the 'Brand logo' field.
If an image file has been uploaded successfully this image should be displayed as the 'Brand logo' in Flax header.