fix: Fixes "writing past the end of the buffer" error when calling ResetDirty() on managed network variables that are larger than 256 bytes when serialized.#2670

ShadauxCat merged 3 commits intodevelopUnity-Technologies/com.unity.netcode.gameobjects:developfrom

fix/writing_past_end_of_buffer_in_networkvariable_duplicateUnity-Technologies/com.unity.netcode.gameobjects:fix/writing_past_end_of_buffer_in_networkvariable_duplicateCopy head branch name to clipboard