Table filter not working

[cmyip]

When "emit filter events" is checked for table, filter no longer works.

Expected results

Clicking on rows in table should emit filter event and other widgets should react to filter events

Actual results

Browser's console would log "Cannot read property 'columns' of undefined".

Screenshots

How to reproduce the bug

This assumes we are using superset with sample data

1. Open "World's Bank Data" dashboard
2. Select Explore Chart
   
3. Customize and select "Emit filter events"
   
4. Go back to "World's Bank Data", click first column on any rows, you should see Javascript console error

Environment

(please complete the following information):

• superset version: 0.34.1
• python version: 3.7.4
• node.js version: 10.16.3
• npm version: 6.10.3

Checklist

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

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

Additional context

Add any other context about the problem here.

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[cmyip]

Same as issue apache-superset/superset-ui-plugins#125

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