[Portfolio] filefile displayName

[Sean Keesler]

When working on a custom form renderer I notice that the default
displayName for a piece of content ends up being "filefile".

<formView>
  <formData>
    <artifact>
      <metaData>
          <displayName>filefile</displayName>

When a user fills out the form, that is what gets stuck in that
Display Name input area. It is a bad choice.
Where is that being generated?
Can that be just left as an empty string?
I could test for that and remove it with custom renderers....but....

Sean