Refactor `ChainQuery` to be more flexible #8303

Job	Run time
Rust fmt	14s
prepare	6s
Rust clippy	49s
Check WASM	1m 0s
Check no_std	29s
Check documentation errors	44s
Build & Test (1.96.0, --all-features)	3m 41s
Build & Test (1.85.0, --no-default-features --features bdk_chain/hashbrown)	2m 15s
Build & Test (1.85.0, --all-features)	4m 4s
Build & Test (1.96.0, --no-default-features --features bdk_chain/hashbrown)	2m 6s
	15m 28s

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