PUT requests to /tablecolumninlineview/api/update/<id> fail

Making a PUT request to the tablecolumninlineview api fails when not all required fields on the model are provided.

Expected results

Expect a 200 when providing a payload of {"description": description}.

Actual results

Get a 500 {"error_details":{"column_name":["This field is required."]},"message":"Validation error","severity":"warning"}

How to reproduce the bug

1. Create a dimension in superset
2. Hit the API to change the dimension description
3. Get an error

Note that when I include the column_name field, this doesn’t fail. It seems like there’s an issue with merging the payload with the existing object, perhaps with the model or in FAB. I would expect to not need the column_name field when making a PUT request if it already exists on the existing object

Environment

Repros on superset master, up to date versions of python and js

Checklist

Make sure these boxes are checked before submitting your issue - thank you!

• I have checked the superset logs for python stacktraces and included it here as text if there are any.
• I have reproduced the issue with at least the latest released version of superset.
• I have checked the issue tracker for the same issue and I haven’t found one similar.

cc @john-bodley @dpgaspar

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[graceguo-supercat]

This API seems not in use any more.