UI improvements

[carellamartina]

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Description

Please include a summary of the change and link to the related issue.

Type of change

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• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).

Checklist

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• The pull request is for the branch develop
• A new plugin (analyzer, connector, visualizer, playbook, pivot or ingestor) was added or changed, in which case:
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  • Usage file was updated.
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