[SecuritySolution] Render histograms with Lens

[angorayc]

Summary

Relevant issue: #136409

These are all behind feature flag chartEmbeddablesEnabled

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Changes:

1. Legends are all moved to the left side of the chart to avoid overlapping with chart actions.
2. The second group by of Alerts Trend Chart is removed (as it is always disabled).

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Events:

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Top N

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No indices:

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Alerts - Trend

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Alerts - Treemap (Not included in this PR - #149592)

Big Difference after converting to Lens. Likely to have a redesign:

Known issues:

1. Alerts tree map: Is not rendered exactly the same due to the limits of dimension of Lens.
2. No value display in each legend item for alerts tree map
3. Background color cannot be decided by risk score

Before:

After:

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Alerts - Charts (Not included in this PR - #149592)

Lens does not support the design. Likely to have a redesign:

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Alerts - Table

Known issues:

1. Reset group by field is missing when no data to display #149828 - 8.7
2. Unable to restore a column after hiding it. - 8.8
3. Open in timeline and copy to clip board cellActions have the wrong query in Lens Embeddable #150048 - 8.7
4. Lens does not support nested fields, we have to exclude them from the dropdown #150158 - 8.7

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Alerts - Preview

Known issue:
There's no legend in alerts preview as its legend action, filter in, filter out are not useful on rule creation page. - #149220

Checklist

• Unit or functional tests were updated or added to match the most common scenarios

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: df333d3

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
securitySolution	3579	3584	+5

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
securitySolution	12.9MB	12.9MB	+23.4KB

History

• 💔 Build #105082 failed 11f18e8
• 💚 Build #105053 succeeded 107c6e4
• 💔 Build #105036 failed 62faf0f
• 💚 Build #104878 succeeded 88a102a
• 💚 Build #104838 succeeded 84f4c4b

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