Allow adding images to the Description in the Job Edit form.

Requested in 4738208-zen

>I add an image in the classic WP editor, it automatically adds in these unnecessary quotation marks that break all images.

>For instance, this image becomes broken as you can see the wrong quotation marks added for unknown reasons every time I try to fix them.

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Reproduce the problem from the Job Edit form using the provided image HTML and the classic WP editor. Trace how the Description content is saved and rendered; done means image markup retains valid quotation marks and the image displays correctly.

Written by the indexing model from the issue text.