[Elastic Agent] adding 8.10 dashboard resources

[P1llus]

What does this PR do?

Due to incompatibility between 8.9 and 8.10 dashboard resources that had some export/import issues, this PR is a followup from #7471 which adds the resources that was ignored due to the incompatilibities for 8.9 dashboards.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Related issues

• Closes Links in the dashboards from elastic agent integration are not working in a multi space environment #6691

[elasticmachine]

Pinging @elastic/elastic-agent (Team:Elastic-Agent)

[P1llus]

It seems that the order in which the visualizations are stored in the JSON files have changed between 8.7.1 and 8.10, so the changes looks bigger than they are, but in reality its simply changing the markdown hyperlinks.

[elasticmachine]

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• Start Time: 2023-08-21T13:07:36.723+0000

• Duration: 15 min 15 sec

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Total	37

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[elasticmachine]

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[P1llus]

Another way we could approach it is simply modifying the saved object json files. That way we dont have to bump the version to 8.10.
We currently dont want to use dashboards exported from 8.9 due to some incompatibilities.

[P1llus]

Closing in favour of just modifying the JSON objects rather than a re-export, allowing us to keep the 8.9 min version.