fix(op_crates/web) let TextEncoder#encodeInto accept detached ArrayBuffers #9143
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ghost
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Fixes what I had found, that I posted in a comment.
Currently,
TextEncoder#encodeIntolets an exception propograte to the callee when called with a detached JS ArrayBuffer.Detached array buffers have zero bytes, there is otherwise no way in JS (without V8 intrinsics) to determine whether or not an ArrayBuffer is detached.
As a side-effect, this optimizes the case when passing an empty ArrayBuffer that isn't detached into
TextEncoder#encodeInto.