When first learning to use the Odin Inspector, it is common for people to misunderstand the OdinSerialize attribute, and use it in places where it does not achive the deceired goal.
This drawer will display a warning message if the OdinSerialize attribute is potentially used in such cases.
When multiple objects are selected and inspected, this his drawer ensures UnityEditor.EditorGUI.showMixedValue gets set to true if there are any conflicts in the selection for any given property. Otherwise the next drawer is called.
This drawer also implements Sirenix.OdinInspector.Editor.IDefinesGenericMenuItems and provides a right-click context menu item for resolving conflicts if any.