Add options as part of test-set request and application-request form to specify data return types

[aazaff]

Right now the test-set and applications wokflows in ADEPT are solely oriented around ScienceParse, but xDD can in theory support many other types of format.

e.g., see

• Stanford CoreNLP (https://stanfordnlp.github.io/CoreNLP/)
• ScienceParse (https://github.com/allenai/science-parse)
• Extracted raw text
• OCRed representations
• COSMOS-derived tables, figures, and captions (https://github.com/UW-COSMOS/cosmos)

Long-term our forms should reflect these configurations.