Reduce main bucket in summary visualizations

[Desvelao]

Wazuh	Elastic	Rev	Security
4.x	7.x	4xxx	Basic, ODFE, Xpack

Browser
Chrome, Firefox, Safari, etc

Description
We need to enhance the performance of the summary visualization that has each dashboard. The visualization is not visible in the UI but is useful when generating the report on PDF. The objective is to improve the performance.

note: outdated
Tasks

• Reduce the size property for the larger buckets of the aggregations.

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Strategy

We decided to make the request and render this table in the backend of the app because of the following reasons:

• The size bucket was increased in this PR to avoid truncating results, so reducing its size would bring back the truncated information problem.
• Also evaluated that this table is only used when generating PDF reports, thus no dashboard needs to render it unless the user clicks "Generate Report".

Avoiding to load this table will improve the performance in most of the app dashboards.