Merge branch 'release/3.2.1' into develop

* release/3.2.1:
  Bump the version to 3.2.1.
Make sure image files has a name associated.

The generate image command will run into issues if the ImageSpecField does not
have any image file source associated wit hti. Like a Optional image field. So
we can not generate the images for that. So this should check to make sure that
it has one.
Bump version to 3.2.2.
Merge branch 'release/3.2.2'

* release/3.2.2:
  Bump version to 3.2.2.
  Make sure image files has a name associated.