Serializable structs with explicit layout

[dungeon2567]

Describe the bug
Can`t edit area of effects values
Expected behavior
able to edit area of effect values

Code Sample

[Serializable]
[StructLayout(LayoutKind.Explicit)]
public struct GameplayAction
{
    [FieldOffset(0)]
    public GameplayActionType Type;

    [FieldOffset(4)]
    [ShowIf(nameof(Type), GameplayActionType.SpawnProjectile)]
    public SpawnProjectileAction SpawnProjectile;

    [FieldOffset(4)]
    [ShowIf(nameof(Type), GameplayActionType.ApplyEffect)]
    public ApplyEffectAction ApplyEffect;

    [FieldOffset(4)]
    [ShowIf(nameof(Type), GameplayActionType.ApplyAreaOfEffect)]
    public AreaOfEffectShape AreaOfEffect;

    [FieldOffset(4)]
    [ShowIf(nameof(Type), GameplayActionType.SpawnAreaOfEffect)]
    public SpawnAreaOfEffectAction SpawnAreaOfEffect;
}
// 

Screenshots

Desktop: Windows 11
**Unity version: 2020.3.35f1

Tri Inspector version: 1.1.01