chore: Accumulated backports to v4-next

[AztecBot]

BEGIN_COMMIT_OVERRIDE
feat: iframe wallets sdk (#21978)
END_COMMIT_OVERRIDE

[AztecBot]

Flakey Tests

🤖 says: This CI run detected 5 tests that failed, but were tolerated due to a .test_patterns.yml entry.

\033FLAKED\033 (8;;http://ci.aztec-labs.com/e710e76acd9c9de2�e710e76acd9c9de28;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_offchain_payment.test.ts (90s) (code: 0)
\033FLAKED\033 (8;;http://ci.aztec-labs.com/fd1093090192c38b�fd1093090192c38b8;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_epochs/epochs_mbps.parallel.test.ts "deploys a contract and calls it in separate blocks within a slot" (178s) (code: 0) group:e2e-p2p-epoch-flakes
\033FLAKED\033 (8;;http://ci.aztec-labs.com/8e426f3310a04f06�8e426f3310a04f068;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_epochs/epochs_invalidate_block.parallel.test.ts "proposer invalidates previous block with shuffled attestations" (124s) (code: 0) group:e2e-p2p-epoch-flakes
\033FLAKED\033 (8;;http://ci.aztec-labs.com/2091399ba3d08994�2091399ba3d089948;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_epochs/epochs_proof_fails.parallel.test.ts "does not allow submitting proof after epoch end" (203s) (code: 0) group:e2e-p2p-epoch-flakes
\033FLAKED\033 (8;;http://ci.aztec-labs.com/0c1637ffd8da8257�0c1637ffd8da82578;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_p2p/duplicate_attestation_slash.test.ts (416s) (code: 0) group:e2e-p2p-epoch-flakes

[ludamad]

🤖 Auto-approved

[AztecBot]

🤖 Auto-merge enabled after 8 hours of inactivity. This PR will be merged automatically once all checks pass.