Correctly absorb curve points into cryptographic sponge

[slumber]

Description

Tests prove that they don't match. 0-case for SW curve won't pass still because it requires changes to r1cs-std.

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• [x] Targeted PR against correct branch (main)
• [ ] Linked to Github issue with discussion and accepted design OR have an explanation in the PR that describes this work.
• [x] Wrote unit tests
• [ ] Updated relevant documentation in the code
• [ ] Added a relevant changelog entry to the Pending section in CHANGELOG.md
• [x] Re-reviewed Files changed in the Github PR explorer

[Pratyush]

Now that the PR to r1cs-std is merged, how should this proceed?

[slumber]

Now that the PR to r1cs-std is merged, how should this proceed?

Should I add [patch.crates-io]?

[Pratyush]

Yes let's patch

[slumber]

@Pratyush is it good to merge?