Update str_replace argument names #494

Job	Run time
build-and-smoke-freebuff-windows	2m 31s
build-freebuff	1m 28s
e2e-help-command	1m 13s
e2e-terminal-command	52s
e2e-agent-startup	2m 24s
e2e-code-edit	1m 13s
e2e-startup	1m 16s
e2e-version	56s
e2e-ads-behavior	1m 12s
e2e-slash-commands	54s
	13m 59s

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