tests

Avoid unused struct field #751

Job	Run time
Building Linux libraries	57m 31s
Building macOS libraries	1m 41s
Building Android libraries	3m 30s
Build XCFramework	5m 49s
Basic WASM build	2m 17s
Rust unit tests on macos-latest	1m 21s
Building Windows libraries	3m 56s
Rust unit tests on ubuntu-24.04	2m 50s
Testing with Valgrind on ubuntu-latest	1m 47s
Testing on macos-latest	1m 1s
Testing on ubuntu-arm64	1m 14s
Testing on ubuntu-24.04	1m 21s
Testing on windows-11-arm	1m 4s
Testing on windows-latest	1m 2s
	1h 26m 24s

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