Fix SDK codegen against the latest SDK models (#2459)

...e/amazon/smithy/rustsdk/endpoints/AwsEndpointDecorator.kt

aws/sdk/aws-models/config.json

aws/sdk/aws-models/dynamodb.json

aws/sdk/aws-models/ec2.json

aws/sdk/aws-models/ecs.json

aws/sdk/aws-models/glacier.json

aws/sdk/aws-models/iam.json

aws/sdk/aws-models/kms.json

aws/sdk/aws-models/lambda.json

aws/sdk/aws-models/polly.json

aws/sdk/aws-models/qldb-session.json

aws/sdk/aws-models/route53.json

aws/sdk/aws-models/s3.json

aws/sdk/aws-models/s3control.json

aws/sdk/aws-models/sso.json

aws/sdk/aws-models/sts.json

aws/sdk/aws-models/transcribe-streaming.json