mediaLibraryAdd incorrectly assumes the image field is field_media_image

[thejimbirch]

https://www.drupal.org/project/shrubs/issues/3419010

Image media entities can have image fields named something different besides field_media_image.

The command should be less specific.

Convo from Slack:

Russell:

So the mediaLibraryAdd shrub doesn't work on this recipe/starter unless I update the line
`cy.get('input[name="media[0][fields][field_media_image][0][alt]"]').type('alt text');`
to
cy.get('input[name="media[0][fields][sa_media_image][0][alt]"]').type('alt text');
Changing `field_media_image` to `sa_media_image`
Is there any way we can get around this without having to directly edit the shrub file in the future?

yada yada yada

Paul:

so... here's what i think could work.
`cy.get('.media-library-add-form').contains('Alternative text').next().type('alt text')`