[Bug]: Code copy function is missing on embedded pages

[scriptPilot]

What happened?

Code blocks from embedded pages do not have the copy function. Same for pages made public by URL.

[affine-issue-bot[bot]]

Issue Status: 🆕 *Untriaged

*🆕 Untriaged

The team has not yet reviewed the issue. We usually do it within one business day. Docs: https://github.com/toeverything/AFFiNE/blob/canary/docs/issue-triaging.md

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