Fix delta bug

[ananth102]

Issue #, if available:

If the user creates a training job with a profileRuleConfiguration but without a debugRuleConfiguration the controller crashes because it compares profileRuleConfiguration and debugRuleConfiguration(which could have a length of zero) and causes an index error.

Steps to reproduce:

Run trainingjob with normal parameters(https://github.com/aws-controllers-k8s/sagemaker-controller/blob/main/samples/training/my-training-job.yaml) but with a profileRuleConfiguration and profilerConfig

Description of changes:

Changes custom set defaults function to compare only profileRuleConfiguration.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[ack-bot]

Hi @ananth102. Thanks for your PR.

I'm waiting for a aws-controllers-k8s member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ryansteakley]

/ok-to-test

[surajkota]

/approve

[surajkota]

/lgtm

[ack-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ananth102, ryansteakley, surajkota

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