Refactor WASM host references #9085

Job	Run time
build-wasm (ubuntu-latest, v2, 2.4.0)	4m 44s
namada-release (ubuntu-latest, 2.4.0, ABCI Release build)	9m 16s
test-unit (ubuntu-latest, nightly-2024-02-10, 2.4.0, ABCI)	23m 32s
test-wasm (ubuntu-latest, v2, nightly-2024-02-10, 2.4.0)	8m 1s
test-integration (ubuntu-latest, nightly-2024-02-10, 2.4.0, ABCI)	14m 8s
run-benchmarks (ubuntu-latest, nightly-2024-02-10, 2.4.0, ABCI)	31m 42s
upload-wasm (ubuntu-latest, v2, nightly-2024-02-10, 2.4.0)	15s
namada-e2e (ubuntu-latest, nightly-2024-02-10, 2.4.0, 0.37.2, 0)	21m 37s
namada-e2e (ubuntu-latest, nightly-2024-02-10, 2.4.0, 0.37.2, 1)	10m 25s
namada-e2e (ubuntu-latest, nightly-2024-02-10, 2.4.0, 0.37.2, 2)	7m 49s
namada-e2e (ubuntu-latest, nightly-2024-02-10, 2.4.0, 0.37.2, 3)	26m 57s
namada-e2e (ubuntu-latest, nightly-2024-02-10, 2.4.0, 0.37.2, 4)	17m 36s
namada-e2e (ubuntu-latest, nightly-2024-02-10, 2.4.0, 0.37.2, 5)	22m 55s
	3h 18m 57s

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