Header dropdown does not populate correctly

[afwillia]

Describe the bug
After selecting datasets and template, the header dropdown does not update.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Priority (select one)

• Minor ⬇️
• Major 📢
• Critical 🆘

Screenshots
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Desktop (if applicable, please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Additional context
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[afwillia]

This now populates and updates correctly in https://github.com/Sage-Bionetworks/data_curator/tree/beta-schematic-rest-api