test: RPC coverage linter + related fixes for listaddressbalances

[knst]

Issue being fixed or feature implemented

• listaddressbalances returns results that is not matched with its doc and it causes failure on debug builds such as:

 $ listaddressbalances
Internal bug detected: std::any_of(m_results.m_results.begin(), m_results.m_results.end(), [&ret](const RPCResult& res) { return res.MatchesType(ret); }) rpc/util.cpp:530 (HandleRequest) Dash Core v23.1.2-320-ge9b93e3b87be-dirty Please report this issue here: https://github.com/dashpay/dash/issues  (code -1) 

Further investigation discovered the bug, that exclude all wallet RPCs from coverage linter.

What was done?

• fixes doc for RPC listaddressbalances
• implementation of listaddressbalances moved between files to where it is supposed to be
• adds functional tests for listaddressbalances
• fixes coverage linter to add all wallet RPCs
• backport test: fix RPC coverage check bitcoin/bitcoin#33064 (fixes coverage linter and add test for abortrescan RPC)

Backport candidate

only this commit is considerable useful for backporting: fix: RPC doc for listaddressbalances

How Has This Been Tested?

See updates in functional tests

Breaking Changes

N/A

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have made corresponding changes to the documentation
• I have assigned this pull request to a milestone (for repository code-owners and collaborators only)

[thepastaclaw]

✅ Review complete (commit 53cd792)

[github-actions]

✅ No Merge Conflicts Detected

This PR currently has no conflicts with other open PRs.

[coderabbitai]

Walkthrough

The PR refactors the listaddressbalances RPC implementation by moving it from src/wallet/rpc/wallet.cpp to src/wallet/rpc/coins.cpp, converting it from a static local definition to an externally declared function. The test framework is updated to support conditional wallet initialization via a new uses_wallet flag that controls whether the -disablewallet startup parameter is applied. Functional tests are enhanced to exercise the listaddressbalances RPC method and verify rescan behavior, and RPC coverage tracking is updated accordingly.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 42.86% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main changes: fixing RPC coverage linter issues and related fixes for the listaddressbalances RPC.
Description check	✅ Passed	The PR description clearly explains the bug being fixed (listaddressbalances RPC documentation mismatch causing debug build failures), what was done (moved implementation, fixed docs, added tests, fixed coverage linter), and how it was tested.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[thepastaclaw]

Code Review

This backport looks clean on the checked-out SHA. listaddressbalances is moved to the wallet RPC coins module and still registered correctly, and the functional-test coverage plumbing change does what it intends: the cache node now advertises wallet RPCs for coverage reference generation via uses_wallet=True, while tests that never opt into wallet options still run with -disablewallet. I did not find a Dash-specific incompatibility or missing prerequisite on this head.

Reviewed commit: 53cd792