[7.9] [Logs UI] Return empty result sets instead of 500 or 404 for analysis results (#72824)

[weltenwort]

Backports the following commits to 7.9:

• [Logs UI] Return empty result sets instead of 500 or 404 for analysis results ([Logs UI] Return empty result sets instead of 500 or 404 for analysis results #72824)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 768eaa7

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