auditd: teach kv about quoted spaces

[efd6]

What does this PR do?

Audit messages may contain spaces when the value is quoted, so let the kv processor know how to deal with this case.

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

• [ ]

How to test this PR locally

Related issues

• For Filebeat auditd ingest pipeline fails at kv processor when field value contains whitespaces beats#22587

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• Start Time: 2022-12-16T20:20:40.227+0000

• Duration: 14 min 53 sec

Test stats 🧪

Test	Results
Failed	0
Passed	9
Skipped	0
Total	9

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚 2.251
Classes	100.0% (1/1)	💚 2.251
Methods	100.0% (15/15)	💚 8.501
Lines	97.985% (2140/2184)	👍 6.326
Conditionals	100.0% (0/0)	💚

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Pinging @elastic/security-external-integrations (Team:Security-External Integrations)

[kcreddy]

LGTM 👍🏼

[elasticmachine]

Package auditd - 3.4.2 containing this change is available at https://epr.elastic.co/search?package=auditd