[WIP] fix: Convert SingleNestedBlocks to ListNestedBlocks for aws_rekognition_stream_processor

[acwwat]

Description

This PR is to converted all SingleNestedBlocks to ListNestedBlocks in the aws_rekognition_stream_processor resource.

Relations

Relates #35813

References

n/a

Output from Acceptance Testing

$ make testacc TESTS=TestAccRekognitionStreamProcessor_ PKG=rekognition
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.23.5 test ./internal/service/rekognition/... -v -count 1 -parallel 20 -run='TestAccRekognitionStreamProcessor_'  -timeout 360m -vet=off
2025/02/12 23:26:02 Initializing Terraform AWS Provider...
=== RUN   TestAccRekognitionStreamProcessor_basic
=== PAUSE TestAccRekognitionStreamProcessor_basic
=== RUN   TestAccRekognitionStreamProcessor_disappears
=== PAUSE TestAccRekognitionStreamProcessor_disappears
=== RUN   TestAccRekognitionStreamProcessor_connectedHome
=== PAUSE TestAccRekognitionStreamProcessor_connectedHome
=== RUN   TestAccRekognitionStreamProcessor_faceRecognition
=== PAUSE TestAccRekognitionStreamProcessor_faceRecognition
=== RUN   TestAccRekognitionStreamProcessor_faceRecognition_boundingBox
=== PAUSE TestAccRekognitionStreamProcessor_faceRecognition_boundingBox
=== RUN   TestAccRekognitionStreamProcessor_faceRecognition_polygon
=== PAUSE TestAccRekognitionStreamProcessor_faceRecognition_polygon
=== RUN   TestAccRekognitionStreamProcessor_tags
=== PAUSE TestAccRekognitionStreamProcessor_tags
=== CONT  TestAccRekognitionStreamProcessor_basic
=== CONT  TestAccRekognitionStreamProcessor_tags
=== CONT  TestAccRekognitionStreamProcessor_faceRecognition_boundingBox
=== CONT  TestAccRekognitionStreamProcessor_connectedHome
=== CONT  TestAccRekognitionStreamProcessor_disappears
=== CONT  TestAccRekognitionStreamProcessor_faceRecognition
=== CONT  TestAccRekognitionStreamProcessor_faceRecognition_polygon
--- PASS: TestAccRekognitionStreamProcessor_disappears (99.94s)
--- PASS: TestAccRekognitionStreamProcessor_basic (103.47s)
--- PASS: TestAccRekognitionStreamProcessor_faceRecognition_boundingBox (111.89s)
--- PASS: TestAccRekognitionStreamProcessor_faceRecognition_polygon (111.91s)
--- PASS: TestAccRekognitionStreamProcessor_connectedHome (114.27s)
--- PASS: TestAccRekognitionStreamProcessor_faceRecognition (115.20s)
--- PASS: TestAccRekognitionStreamProcessor_tags (130.65s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/rekognition        130.876s

$

[github-actions]

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[jar-b]

Should these remain optional?
https://docs.aws.amazon.com/rekognition/latest/APIReference/API_Point.html#rekognition-Type-Point-X

[jar-b]

Similar to the polygon arguments, should these be optional?
https://docs.aws.amazon.com/rekognition/latest/APIReference/API_BoundingBox.html