fix: FastBufferWriter growth from a size of 0 - #4223

fix: FastBufferWriter growth from a size of 0#4223

EmandM merged 4 commits into

develop-2.0.0Unity-Technologies/com.unity.netcode.gameobjects:develop-2.0.0from

fix/fastbufferwriter-grow-from-zeroUnity-Technologies/com.unity.netcode.gameobjects:fix/fastbufferwriter-grow-from-zeroCopy head branch name to clipboard