[zoom] Ensure event.kind is correctly set for pipeline errors

[MakoWish]

What does this PR do?

Modify zoom integration to correctly set event.kind for pipeline errors and ensure error.message is an array.

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.

Author's Checklist

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How to test this PR locally

Related issues

• For sei: ensure packages set error.kind to "pipeline_error" in on_failure processor #6582

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• Start Time: 2023-06-21T22:49:18.252+0000

• Duration: 15 min 11 sec

Test stats 🧪

Test	Results
Failed	0
Passed	13
Skipped	0
Total	13

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (10/10)	💚
Classes	100.0% (10/10)	💚
Methods	96.226% (51/53)	👎 -0.673
Lines	89.889% (889/989)	👎 -5.37
Conditionals	100.0% (0/0)	💚

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Package zoom - 1.12.0 containing this change is available at https://epr.elastic.co/search?package=zoom