Deck GL Screengrid overlay does not update

Probably root cause of #5470 - The deck gl screengrid overlay displays the same values for the same locations no matter how you pan and zoom the map

Expected results

Popup data corresponds to underlying map data

Actual results

The map renders with the popups misaligned (seems like largest point is in the upper left) and the overlays don’t change

Screenshots

With the following Javascript tooltip generator we can illustrate the problem: (o) => console.log(o) || JSON.stringify([o.object.position, o.lngLat]);

If applicable, add screenshots to help explain your problem.

How to reproduce the bug

1. Create a screengrid visualization
2. Pan and zoom the map

Environment

(please complete the following information):

• the amancevice/superset:edge container
• superset version: Superset 0.999.0dev (post 0.34.0)
• python version: Python 3.6.9

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 (there are, but they were stale-botted

[aboganas]

Also on Screen Grid Play no longer works

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