Bugfix: Fix cplus failure scenario execution

[xcaspar]

Describe what this PR does / why we need it

Fix the issue of garbled log printing.

time="2025-09-09 13:46:19.503927359 CST" level=info msg="http://127.0.0.1:8370/create?target=cplus&suid=636a8806250dcc26&action=delay&breakLine=tcp_server.cpp%!A(MISSING)34&delayDuration=3&fileLocateAndName=%!F(MISSING)root%!F(MISSING)server%!F(MISSING)server&processName=%!F(MISSING)root%!F(MISSING)server%!F(MISSING)server&forkMode=parent&initParams=9528" location="/go/pkg/mod/github.com/chaosblade-io/chaosblade-spec-go@v1.7.5-0.20250902032330-12bd479355fe/util/util.go:171" uid=636a8806250dcc26

Does this pull request fix one issue?

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