refactor: Deduplicate and simplify several trace-end handling assembl… #265

Job	Run time
linux-x86-ci-generated	12s
linux-x86-deny	36s
linux-native-test-suite (ubuntu-24.04-arm)	4m 37s
linux-x86-ci (ubuntu-latest)	1m 16s
linux-native-test-suite (ubuntu-latest)	2m 35s
linux-native-test-spawn (ubuntu-24.04-arm)	1m 46s
linux-native-test-spawn (ubuntu-latest)	1m 14s
linux-native-ci-asm-chaos (ubuntu-24.04-arm)	1m 48s
linux-x86-ci (ubuntu-24.04-arm)	1m 43s
macos-x86-ci-asm	1m 49s
windows-x86-ci-asm	3m 35s
linux-native-ci-asm (ubuntu-latest)	1m 21s
linux-arm-test-suite	6m 2s
linux-native-ci-asm (ubuntu-24.04-arm)	1m 24s
linux-arm-ci-asm	6m 25s
linux-fuzz	4m 32s
linux-native-ci-asm-chaos (ubuntu-latest)	1m 28s
	42m 23s

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