r/aws_fms_policy: Suppress diffs on null and [] JSON fields

[ewbankkit]

Description

Suppresses diffs in security_service_policy_data.managed_service_data JSON data caused by null and empty array ([]) JSON fields.

Relations

Closes #21894.
Closes #23953.

References

Output from Acceptance Testing

% AWS_DEFAULT_REGION=us-east-1 make testacc TESTARGS='-run=TestAccFMS_serial/AdminAccount' PKG=fms
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/fms/... -v -count 1 -parallel 20  -run=TestAccFMS_serial/AdminAccount -timeout 180m
=== RUN   TestAccFMS_serial
=== PAUSE TestAccFMS_serial
=== CONT  TestAccFMS_serial
=== RUN   TestAccFMS_serial/AdminAccount
=== RUN   TestAccFMS_serial/AdminAccount/basic
=== RUN   TestAccFMS_serial/AdminAccount/disappears
--- PASS: TestAccFMS_serial (3498.01s)
    --- PASS: TestAccFMS_serial/AdminAccount (3498.01s)
        --- PASS: TestAccFMS_serial/AdminAccount/basic (1228.27s)
        --- PASS: TestAccFMS_serial/AdminAccount/disappears (2269.74s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/fms	3503.001s
testing: warning: no tests to run
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/fms/ujson	0.134s [no tests to run]

% AWS_DEFAULT_REGION=us-east-1 make testacc TESTARGS='-run=TestAccFMS_serial/Policy' PKG=fms 
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/fms/... -v -count 1 -parallel 20  -run=TestAccFMS_serial/Policy -timeout 180m
=== RUN   TestAccFMS_serial
=== PAUSE TestAccFMS_serial
=== CONT  TestAccFMS_serial
=== RUN   TestAccFMS_serial/Policy
=== RUN   TestAccFMS_serial/Policy/policyOption
    acctest.go:83: PolicyOption not returned from AWS API
=== RUN   TestAccFMS_serial/Policy/update
=== RUN   TestAccFMS_serial/Policy/alb
=== RUN   TestAccFMS_serial/Policy/disappears
=== RUN   TestAccFMS_serial/Policy/includeMap
=== RUN   TestAccFMS_serial/Policy/resourceTags
=== RUN   TestAccFMS_serial/Policy/securityGroup
=== RUN   TestAccFMS_serial/Policy/tags
=== RUN   TestAccFMS_serial/Policy/basic
=== RUN   TestAccFMS_serial/Policy/cloudfrontDistribution
--- PASS: TestAccFMS_serial (462.80s)
    --- PASS: TestAccFMS_serial/Policy (462.80s)
        --- SKIP: TestAccFMS_serial/Policy/policyOption (0.00s)
        --- PASS: TestAccFMS_serial/Policy/update (32.56s)
        --- PASS: TestAccFMS_serial/Policy/alb (16.91s)
        --- PASS: TestAccFMS_serial/Policy/disappears (19.21s)
        --- PASS: TestAccFMS_serial/Policy/includeMap (22.17s)
        --- PASS: TestAccFMS_serial/Policy/resourceTags (34.09s)
        --- PASS: TestAccFMS_serial/Policy/securityGroup (22.06s)
        --- PASS: TestAccFMS_serial/Policy/tags (33.31s)
        --- PASS: TestAccFMS_serial/Policy/basic (21.70s)
        --- PASS: TestAccFMS_serial/Policy/cloudfrontDistribution (260.79s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/fms	467.567s
testing: warning: no tests to run
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/fms/ujson	0.182s [no tests to run]

[github-actions]

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[github-actions]

This functionality has been released in v5.12.0 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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