Calendar Heatmap callout hidden on dashboard

[izetex]

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Superset version

Expected results

I see the callout is visible

Actual results

It is overlayed when placed on dashboard ( see attachment screen )

Steps to reproduce

1. Create calendar heat map and place on dashboard.
2. click on cell
   

[lethe3000]

any update?
is there a way to set top margin?

[graceguo-supercat]

#4268 fixed this issue.