Fix the foreground icon not tinted with the button.

Assets/Cryville/Common/Unity/UI/CanvasRendererColorLinker.cs

@@ -0,0 +1,18 @@
+using UnityEngine;
+
+namespace Cryville.Common.Unity.UI {
+	[ExecuteAlways]
+	[RequireComponent(typeof(CanvasRenderer))]
+	public class CanvasRendererColorLinker : MonoBehaviour {
+		[SerializeField] CanvasRenderer m_source;
+		CanvasRenderer _target;
+
+		void Awake() {
+			_target = GetComponent<CanvasRenderer>();
+		}
+		void Update() {
+			if (m_source == null) return;
+			_target.SetColor(m_source.GetColor());
+		}
+	}
+}

Assets/Cryville/Common/Unity/UI/CanvasRendererColorLinker.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
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