Chart breaking (in dashboard) after editing metadata (in explore)

[zuzana-vej]

After editing the description for a chart in a dashboard and reloading the dashboard, the chart is replaced with a missing chart definition error (image attached) and can't be reverted.

Expected results

Chart is correctly displayed on the dashboard

Actual results

Error message on the dashboard

Screenshots

Step 1:

Step 2:

Step 3: -- BUG

How to reproduce the bug

1. go to dashboard
2. explore chart
3. add description to chart and save (Under Edit chart properties)
4. refresh dashboard / go back to the dashboard
5. See chart breaks (displays error message)

Environment

(please complete the following information):

• superset version: master

Checklist

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• 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.

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[junlincc]

@zuzana-vej Hey Zuzana, this issue was first reported in August. please confirm they are the same. It's in the backlog waiting for a fix.
#10528
#11232

[zuzana-vej]

confirming this was fixed by #11830