[Testing] Add a test asserting deposit_revenue's event topics match EVENT_PAYLOADS.md

[davidmaronio]

Context

Related to the revenue_deposited documentation drift found in EVENT_PAYLOADS.md: a test that pins the exact topic tuple published by deposit_revenue would catch this kind of mismatch going forward whenever the event payload changes.

Acceptance criteria

• Behavior/gap described above is addressed or confirmed and documented
• Relevant unit test(s) added or updated
• cargo fmt --check and cargo clippy --all-targets --features testutils -- -D warnings pass

Files to touch

src/revenue.rs, src/tests/test_revenue_deposit.rs, EVENT_PAYLOADS.md

Out of scope

• Unrelated refactors outside the files listed above
• Changes to unrelated contract functions not mentioned in this issue

[EpicShadow1]

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Good Day maintainer, please I would really love to work on, learn more from and solving this issue, I am confident that I would be able to resolved it. Thank you

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[Peolite1]

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i would love to work on this

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[Aonlike]

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