ReadOnly and If together not working properly

[DarkRewar]

When using a ReadOnlyAttribute with both If and IfNot, the height still calculated

    [ReadOnly, If(nameof(DisplayCooldown))]
    public Cooldown SpellCooldown = 1f;

    [ReadOnly, If(nameof(DisplayCooldown))]
    public string Test;

    [If(nameof(DisplayCooldown))]
    public string Test2;

    public bool DisplayCooldown = true;