Add more comprehensive creator data in deposit form

[cc-a]

• PR: [when the PR is created, put a link to it here. DO NOT use the "linked PR" feature]
• User Test Scripts: [when there are user test scripts available link them here]

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Data in the Creator field are automatically populated to the user creating the deposit (see #90). This currently uses the basic data available as part of user profiles. Once we're better integrated with ICL user data feeds we should be able to do a better job of populating this.

Acceptance Criteria

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