RUST-1736 Add into_vec serialization method for reusing allocated memory
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kevinAlbs
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into_vec serialization method for reusing allocated memoryinto_vec serialization method for reusing allocated memory
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During serialization,
to_veccan get particularly hot by reallocating a large number of times. This PR adds a method to provide a pre-warmedVecas input to avoid these reallocations. Since theVecis given back, after the data is written, it can be reused.