feat(plugin-chart-table): enable emitting cross-filters

[kgabryje]

This PR enables emitting cross-filters from Table chart.
To enable the feature, set the feature flag DASHBOARD_CROSS_FILTERS in superset/config.py and select "ENABLE EMITTING FILTERS" checkbox in Customize tab.
To select filter values, click on cells in groupby columns. Selecting a value emits a filter with an IN operator.

https://user-images.githubusercontent.com/15073128/113731815-5c084100-96f9-11eb-92c5-bdfb969ae9e9.mov

CC @junlincc @villebro @ktmud

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[codecov]

Codecov Report

Merging #1041 (64db684) into master (68a5e00) will increase coverage by 0.39%.
The diff coverage is 15.00%.

@@            Coverage Diff             @@
##           master    #1041      +/-   ##
==========================================
+ Coverage   27.65%   28.05%   +0.39%     
==========================================
  Files         428      435       +7     
  Lines        8797     8882      +85     
  Branches     1335     1350      +15     
==========================================
+ Hits         2433     2492      +59     
- Misses       6183     6204      +21     
- Partials      181      186       +5     

Impacted Files	Coverage Δ
plugins/plugin-chart-table/src/controlPanel.tsx	0.00% <0.00%> (ø)
plugins/plugin-chart-table/src/index.ts	0.00% <ø> (ø)
plugins/plugin-chart-table/src/transformProps.ts	61.62% <ø> (ø)
plugins/plugin-chart-table/src/TableChart.tsx	41.37% <5.88%> (-4.70%)	⬇️
plugins/plugin-chart-table/src/Styles.tsx	100.00% <100.00%> (ø)
plugins/plugin-chart-echarts/src/utils/controls.ts	80.00% <0.00%> (-20.00%)	⬇️
...ackages/superset-ui-core/src/utils/featureFlags.ts	100.00% <0.00%> (ø)
...es/superset-ui-core/src/chart/models/ChartProps.ts	100.00% <0.00%> (ø)
plugins/plugin-chart-echarts/src/Gauge/types.ts	100.00% <0.00%> (ø)
...ugins/plugin-chart-echarts/src/Gauge/buildQuery.ts	100.00% <0.00%> (ø)
... and 5 more

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[ktmud]

I'm wondering whether there is room for a simpler public API to set cross filters. Now It feels a little tedious that every chart with corss-filter support has to set this very long nested object themselves.

[villebro]

We're actually currently cleaning up the API (some of this is leftovers from during development when it wasn't clear in which direction this was going to ultimately go)

[villebro]

Tested, works like a charm!