[8.5](backport #33587) Osquerybeat: Fix missing result values when the value can not be converted into expected type

[mergify]

This is an automatic backport of pull request #33587 done by Mergify.

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[elasticmachine]

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• Start Time: 2022-11-08T14:32:18.890+0000

• Duration: 41 min 47 sec

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Test	Results
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Passed	1632
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Total	1632

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