レイアウトのminをpreferredと同じ値にする

AsPreferred.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

[RequireComponent(typeof(Text))]
public class AsPreferred : MonoBehaviour, ILayoutElement 
{
	[SerializeField] int priority = 2;
	[SerializeField, HideInInspector] Text text = null;

	void Reset()
	{
		text = GetComponent<Text> ();
	}

	public void CalculateLayoutInputHorizontal (){ }
	public void CalculateLayoutInputVertical () { }
	public float minWidth {
		get { return text.preferredWidth; }
	}
	public float preferredWidth {
		get { return -1; }
	}
	public float flexibleWidth {
		get { return -1; }
	}
	public float minHeight {
		get { return text.preferredHeight; }
	}
	public float preferredHeight {
		get { return -1; }
	}
	public float flexibleHeight {
		get { return -1; }
	}
	public int layoutPriority {
		get { return priority; }
	}
}