fix: Add ILPP error-handling to catch managed INetworkSerializables that don't meet the new() constraint so they won't crash the editor [MTT-6211]#2528

ShadauxCat merged 6 commits intodevelopUnity-Technologies/com.unity.netcode.gameobjects:developfrom

fix/editor_crash_with_invalid_inetworkserializableUnity-Technologies/com.unity.netcode.gameobjects:fix/editor_crash_with_invalid_inetworkserializableCopy head branch name to clipboard