refactor: simplify async op error construction #3782

Job	Run time
compute-jobs	3s
build-linux / linux coverage	59s
build-linux / linux lint	36s
build-linux / linux test	59s
build-linux / linux lint-deps	59s
build-linux / linux test-ops	1m 0s
build-linux / linux test-miri	59s
build-linux / linux test-valgrind	20s
build-linux / linux test-publish	59s
build-linux-arm / linux-arm test-miri	34s
build-linux-arm / linux-arm test	39s
build-linux-arm / linux-arm lint	34s
build-macos / macos lint	56s
build-macos / macos test	1m 0s
build-windows / windows lint	55s
build-windows / windows test	55s
success	1s
	12m 28s

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