v3: figure not displayed

[eliselavy]

Binary content is in the output cell but not displayed:

• by default

V3:
https://journalofdigitalhistory.org/en/notebook-viewer/JTJGcHJveHktZ2l0aHVidXNlcmNvbnRlbnQlMkZqZGgtb2JzZXJ2ZXIlMkZCdVd2dEpGeGgzd3klMkZtYWluJTJGYXJ0aWNsZS5pcHluYg==?idx=89&v=3

Previous version:
https://journalofdigitalhistory.org/en/notebook-viewer/JTJGcHJveHktZ2l0aHVidXNlcmNvbnRlbnQlMkZqZGgtb2JzZXJ2ZXIlMkZCdVd2dEpGeGgzd3klMkZtYWluJTJGYXJ0aWNsZS5pcHluYg==?idx=89

def image_metadata(image: str, metadata:str = None):
    if metadata is not None:
        metadata =  {
            "jdh": {
                "module": "object",
                "object": {
                    "type":"image",
                    "source": [metadata]
                }
            }
        }
    if not Path(image).exists():
        print(f'THE IMAGE DOES NOT EXIST: SKIPPING')
        return   

and by executing code:

[frederic-reis]

The image is not displayed because there is no aspect-ratio and no height tags.
It's a bug that appeared by fixing #653

It's fixed now. But without any tag, the height of the picture is defined on the half of the window height (see #653 for the rules)
https://journalofdigitalhistory.netlify.app/en/notebook-viewer/JTJGcHJveHktZ2l0aHVidXNlcmNvbnRlbnQlMkZqZGgtb2JzZXJ2ZXIlMkZCdVd2dEpGeGgzd3klMkZtYWluJTJGYXJ0aWNsZS5pcHluYg==?idx=89&v=3