fix: ignored platform property on bundling an asset with docker

[t3r]

This fix makes the 'platform' property work as described in https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.BundlingOptions.html#platform

The bundling-properties value was not copied from the AssetBundling properties to the image.run properties so the --platform option for docker run was never added. This patch copies the platform property for AssetBundlingBindMount and AssetBundlingVolumeCopy.

fixes #30239

Checklist

• [ x] My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

The pull request linter has failed. See the aws-cdk-automation comment below for failure reasons. If you believe this pull request should receive an exemption, please comment and provide a justification.

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[t3r]

The PR Linter complains about missing changes to test/integration test files. There is currently no existing test in staging.test.ts for building on different platforms. Adding it might lead to failed tests on machines without working docker buildx. As this is a trivial fix, I'd suggest to not add a test for platform and ask for a Exemption Request for this PR.

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: d2f29bc
• Result: SUCCEEDED
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[aws-cdk-automation]

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[aws-cdk-automation]

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[aws-cdk-automation]

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