Add break clause to log cursor processing

What does this MR do?

Addresses timeout errors in ee:geo end-to-end test job, related to the geo log cursor daemon. Specifically, it checks for an exit condition before processing the next batch of events.

Closes #196044 (closed)

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Does this MR meet the acceptance criteria?

Conformity

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Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

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• Label as security and @ mention @gitlab-com/gl-security/appsec
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