REST: Add support for replacing views

[ebyhr]

Rationale for this change

This PR adds support for replacing views in REST catalog.

• https://github.com/apache/iceberg/blob/b88addf85253951ab4898967b62eee287826f7c9/open-api/rest-catalog-open-api.yaml#L1715-L1815

I plan to send another PR to add create_or_replace method.

Are these changes tested?

Yes

Are there any user-facing changes?

Yes

[rambleraptor]

Can you rebase this?

[kevinjqliu]

Thanks for the PR!

I've found a couple related issues while reviewing this PR. Opened in #3958 #3959 #3960
Well rebase and take another look once those are in 😄

[github-actions]

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