Resolve logging_config consecutive diff issue

[JamesJJ]

Description

Suppresses incorrect diff on consecutive apply, and maintains existing log levels, when logging_config.application_log_level or logging_config.system_log_level have not been specified in configuration.

Relations

Closes #35301

Output from Acceptance Testing

make testacc 'TESTS=TestAccLambdaFunction(DataSource)?_(basic|loggingConfig)'  PKG=lambda
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/lambda/... -v -count 1 -parallel 20 -run='TestAccLambdaFunction(DataSource)?_(basic|loggingConfig)'  -timeout 360m
=== RUN   TestAccLambdaFunctionDataSource_basic
=== PAUSE TestAccLambdaFunctionDataSource_basic
=== RUN   TestAccLambdaFunctionDataSource_loggingConfig
=== PAUSE TestAccLambdaFunctionDataSource_loggingConfig
=== RUN   TestAccLambdaFunction_basic
=== PAUSE TestAccLambdaFunction_basic
=== RUN   TestAccLambdaFunction_loggingConfig
=== PAUSE TestAccLambdaFunction_loggingConfig
=== CONT  TestAccLambdaFunctionDataSource_basic
=== CONT  TestAccLambdaFunction_basic
=== CONT  TestAccLambdaFunction_loggingConfig
=== CONT  TestAccLambdaFunctionDataSource_loggingConfig
--- PASS: TestAccLambdaFunctionDataSource_basic (54.18s)
--- PASS: TestAccLambdaFunction_basic (67.51s)
--- PASS: TestAccLambdaFunctionDataSource_loggingConfig (75.29s)
--- PASS: TestAccLambdaFunction_loggingConfig (144.38s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/lambda	152.545s

[github-actions]

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[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccLambdaFunction_basic\|TestAccLambdaFunction_logging' PKG=lambda ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/lambda/... -v -count 1 -parallel 2  -run=TestAccLambdaFunction_basic\|TestAccLambdaFunction_logging -timeout 360m
=== RUN   TestAccLambdaFunction_basic
=== PAUSE TestAccLambdaFunction_basic
=== RUN   TestAccLambdaFunction_loggingConfig
=== PAUSE TestAccLambdaFunction_loggingConfig
=== CONT  TestAccLambdaFunction_basic
=== CONT  TestAccLambdaFunction_loggingConfig
--- PASS: TestAccLambdaFunction_basic (49.63s)
--- PASS: TestAccLambdaFunction_loggingConfig (101.09s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/lambda	112.434s

[ewbankkit]

@JamesJJ Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.36.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.