fix compat breaking: revive workaround padding in decode() #3106

Job	Run time
actionlint	14s
build-and-test-java-api (windows-latest)	6m 58s
build-and-test-java-api (macos-latest)	4m 13s
build-and-test-java-api (ubuntu-latest)	2m 39s
build-and-test-python-api (windows-latest)	7m 13s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	1m 23s
build-and-test-python-api (macos-latest)	4m 32s
build-windows-cpp-example	5m 11s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	1m 41s
build-and-test-python-api (ubuntu-latest)	3m 3s
c-header	42s
rust-integration-test-strategy-matrix	1s
rust-lint	3m 4s
rust-unit-test	3m 11s
validate-cargo-lock	20s
shellcheck	12s
rust-integration-test (macos-12)	2m 22s
rust-integration-test (ubuntu-20.04)	1m 38s
	48m 37s

Provide feedback