fix(dom): avoid elimination side effects during traversal

[iPel]

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• Test cases have been added/updated/passed for the code you will submit.
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• Squash the repeat code commits, short patches are welcome.

[hippy-service]

Hi, @iPel. Thanks for your PR! 👏

🏷️ You can leave a comment in this PR with #help tag when you need help (e.g. some status checks run failed due to internal issue), admin team members will help asap.

[tencent-adm]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[etkmao]

LGTM