fix [core] trace level shows the first kb of the payload before being decoded #694

Job	Run time
Semantic Version label check	5s
musl	1m 36s
Unit tests / Construct unit test matrix	6s
Soundness / Documentation check	1m 35s
Soundness / Unacceptable language check	4s
Soundness / Broken symlinks check	3s
Soundness / License headers check	4s
Soundness / Shell check	48s
Soundness / YAML lint check	11s
Soundness / API breakage check	2m 26s
Soundness / Format check	40s
Soundness / Python lint check	5s
Integration Tests / Test archive plugin (ResourcesPackaging)	2m 34s
Integration Tests / No dependencies on Foundation	2m 20s
Swift 6 Language Mode / Swift 6 language mode	1m 19s
Integration Tests / Test Examples/HelloJSON on	1m 48s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	2m 2s
Integration Tests / Test Examples/APIGateway on	1m 57s
Integration Tests / Test Examples/S3_Soto on	8m 18s
Integration Tests / Test Examples/S3_AWSSDK on	6m 41s
Integration Tests / Test archive plugin (HelloWorld)	2m 36s
Integration Tests / Test Examples/Streaming on	1m 53s
Integration Tests / Test Examples/Tutorial on	1m 48s
Integration Tests / Test Examples/BackgroundTasks on	1m 50s
Integration Tests / Test Examples/S3EventNotifier on	2m 4s
Integration Tests / Test Examples/ResourcesPackaging on	1m 55s
Integration Tests / Test Examples/Testing on	2m 0s
Integration Tests / Test Examples/HelloWorld on	1m 50s
Unit tests / Unit tests / Linux (6.1)	1m 27s
Unit tests / Unit tests / Linux (6.0)	1m 35s
Unit tests / Unit tests / Linux (nightly-next)	1m 53s
Unit tests / Unit tests / Linux (nightly-main)	1m 52s
	57m 25s

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