refactor(error): clean-up RwError variants

[BugenZhao]

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What's changed and what's your intention?

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[BugenZhao]

Current dependencies on/for this PR:

• refactor(error): clean-up RwError variants #14954 👈
• refactor(error): move RwError from common to frontend #14953 : 1 other dependent PR (#14956 )
• refactor(connector): replace all RwError usage with anyhow temporarily #14950
• main

This stack of pull requests is managed by Graphite.

[github-actions]

This PR has been open for 60 days with no activity. Could you please update the status? Feel free to ping a reviewer if you are waiting for review.

[stdrc]

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