[Notebook] Dropped item embeds not displaying properly

[jvigliotta]

Summary

Dropping an item into a notebook results in an improperly formatted embed. Snapshot embeds are fine.

Expected vs Current Behavior

Should show up like in the image below, with an icon and a link.

Steps to Reproduce

1. Drop an item into a notebook

Impact Check List

• Data loss or misrepresented data?
• Regression? Did this used to work or has it always been broken?
• Is there a workaround available?
• Does this impact a critical component?
• Is this just a visual bug with no functional impact?

Additional Information

[unlikelyzero]

Needs a Visual Test

1. Create Notebook
2. Create Overlay Plot
3. Drop Overlay Plot into Notebook
4. percysnapshot()

[charlesh88]

Workaround here is to use Snapshots, but we should fix this if not too risky.

[jvigliotta]

Testing

• Drop an object into the "drop area" of a notebook (see image below)
• Verify that the name and icon show up correctly (previously, no icon and no name were showing)

[rukmini-bose]

Verified Testathon 9/30

[ozyx]

Verified fixed -- Testathon 09/30/22