fix: dangling point to cj client#7259

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dashpay:developfrom

knst:fix-cj-dangling-ptr

Commits on Apr 17, 2026

fix: call InitCoinJoin only wallet is added
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fix: keep flag `coinjoin` enabled consistently with user's intention over UI or command line
knst
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Commits on Apr 20, 2026

refactor: cleanups for CoinJoin client interface

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