Images are local referenced when export journal

When i click the export button on the project page, it downloads the markdown file with all the photos locally referenced.

Start at the project page export action and inspect how the downloaded Markdown is assembled, especially how photo references are written. Reproduce the export with a project containing photos and compare the generated links with the source images. Done means exported journal images are referenced correctly rather than as local files.

Written by the indexing model from the issue text.