Normalize shell completion markers in replay proxy #1001

Job	Run time
Rust SDK Bundled CLI Build (windows-latest)	1m 31s
Rust SDK Tests (macos-latest)	7m 40s
Rust SDK Bundled CLI Build (macos-latest)	1m 5s
Rust SDK Bundled CLI Build (ubuntu-latest)	59s
Rust SDK Tests (windows-latest)	12m 5s
Rust SDK Tests (ubuntu-latest)	7m 9s
	30m 29s

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