feat(kyoto): Add optional new wallet sync height

[rustaceanrob]

For users recovering an old wallet, it is best to used the pre-defined points like segwit or taproot; however, new users that have definitely not used their descriptor may be caught off guard if they have to wait for their wallet to sync for more than a couple seconds. This change allows for a recovery from any hash and height, with the idea being the developer can provide a recent block via a service like mempool(dot)space

@andreasgriffin

Checklists

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• I've signed all my commits
• I followed the contribution guidelines
• I ran cargo fmt and cargo clippy before committing
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New Features:

• I've added tests for the new feature
• I've added docs for the new feature

[reez]

ACK 677a60e

Note: did not test locally built bindings

[thunderbiscuit]

ACK 677a60e.