fix: serialize the scene placed field and fix DA scene migration#4086

NoelStephensUnity merged 21 commits into

fix/in-scene-placed-edge-casesUnity-Technologies/com.unity.netcode.gameobjects:fix/in-scene-placed-edge-casesfrom

fix/set-in-scene-when-serializingUnity-Technologies/com.unity.netcode.gameobjects:fix/set-in-scene-when-serializingCopy head branch name to clipboard