[Table] Inspector displays only visible content

[stratoula]

Summary

Closes #121947

This PR makes sure that we send the correct data to the table inspector.
When you enable the partial rows setting, the computation follows the same path as the 'different metrics per bucket' but we don't want to display the intermediary columns neither on the chart nor the inspector. https://github.com/elastic/kibana/blob/main/src/plugins/vis_types/table/public/to_ast.ts#L32

Although we take this under consideration on the chart, on the inspector table we send all columns. This PR makes sure that we log only the visible content.

Inspector with the partial rows on but the Show metrics for every bucket/level off

[kibana-ci]

💚 Build Succeeded

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Metrics [docs]

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
visTypeTable	15.1KB	15.3KB	+220.0B

History

• 💔 Build #21802 failed 0b94ad8

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[elasticmachine]

Pinging @elastic/kibana-vis-editors @elastic/kibana-vis-editors-external (Team:VisEditors)

[dej611]

Tested locally and this fix works! 👍

[kibanamachine]

Friendly reminder: Looks like this PR hasn’t been backported yet.
To create backports run node scripts/backport --pr 124677 or prevent reminders by adding the backport:skip label.

[kibanamachine]

Friendly reminder: Looks like this PR hasn’t been backported yet.
To create backports run node scripts/backport --pr 124677 or prevent reminders by adding the backport:skip label.

[LeeDr]

@stratoula just checking if there should be some type of test (new test or modified test) for this PR?

[stratoula]

@LeeDr I can add one for testing the inspector data when partial rows setting is on