feat(rs-sdk): withdraw_address_funds should accept Address, not just CoreScript

[thephez]

Problem

There is an API asymmetry between the two withdrawal methods in rs-sdk:

• WithdrawFromIdentity::withdraw() accepts Option<Address> and converts internally to CoreScript via CoreScript::new(address.script_pubkey()) (withdraw_from_identity.rs)

• WithdrawAddressFunds::withdraw_address_funds() requires CoreScript directly — there is no Address convenience (address_credit_withdrawal.rs)

This asymmetry propagates to the WASM SDK / evo-sdk layer:

• identities.creditWithdrawal() accepts a toAddress: string
• addresses.withdraw() requires an outputScript: CoreScript object, forcing users to manually construct a CoreScript via CoreScript.newP2PKH(keyHashBytes) or CoreScript.newP2SH(scriptHashBytes)

Proposed Solution

Add an Address-accepting convenience to WithdrawAddressFunds (either a second trait method or modify the existing signature to accept Address and convert internally, matching the pattern in WithdrawFromIdentity).

Then update the WASM SDK's AddressFundsWithdrawOptions to accept an optional toAddress: string (like IdentityCreditWithdrawalOptions already does), parsing it with Address::from_str().

Relevant Files

• packages/rs-sdk/src/platform/transition/address_credit_withdrawal.rs — WithdrawAddressFunds trait (accepts CoreScript)
• packages/rs-sdk/src/platform/transition/withdraw_from_identity.rs — WithdrawFromIdentity trait (accepts Address, converts to CoreScript at line 50)
• packages/wasm-sdk/src/state_transitions/addresses.rs — WASM AddressFundsWithdrawOptions (requires CoreScript)
• packages/wasm-sdk/src/state_transitions/identity.rs — WASM IdentityCreditWithdrawalOptions (accepts toAddress: string)
• packages/wasm-dpp2/src/core_script.rs — CoreScriptWasm (has toAddress() but no fromAddress())