fix: rcl: rmw_serialize leaves interior CDR alignment padding uninitialized (zeroing serialization allocator) - #178
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Replace the default non-zeroing allocator with a zeroing allocator when allocating the `rmw_serialized_message_t` buffer. CycloneDDS's introspection serializer skips interior CDR alignment padding without writing to it, causing uninitialized heap bytes to leak into the serialized output. This change ensures deterministic serialization across platforms and resolves byte-parity test failures on Linux. Updates generator template and regenerates `Sources/CRclBridge/Generated/*`. Fixes youtalk#162. Patch generated by qwen3.6-35b-a3b via local API.
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Closes #162
Patch generated by
qwen3.6-35b-a3b via local API.