CAMEL-22049: Use Kinesis async client if already set

[mcarlett]

Description

Target

• [ x] I checked that the commit is targeting the correct branch (Camel 4 uses the main branch)

Tracking

• [x ] If this is a large change, bug fix, or code improvement, I checked there is a JIRA issue filed for the change (usually before you start working on it).

Apache Camel coding standards and style

• [ x] I checked that each commit in the pull request has a meaningful subject line and body.

• [ x] I have run mvn clean install -DskipTests locally from root folder and I have committed all auto-generated changes.

[github-actions]

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[oscerd]

/component-tests aws

Result ✅ The tests passed successfully

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