fix

src/components/Canvas/DepthCanvas/manager/CanvasManager.ts

@@ -15,13 +15,7 @@ fabric.Object.prototype.toObject_ = fabric.Object.prototype.toObject
 fabric.Object.prototype.toObject = function () {
 	const args = [...arguments]
 	const arr = [...fabric.Object.prototype.customProperties]
-	args.forEach(v => {
-		if (typeof v === 'string') {
-			arr.push(v)
-		} else if (Array.isArray(v)) {
-			arr.push(...v)
-		}
-	})
+	args.forEach(v => (Array.isArray(v) ? arr.push(...v) : arr.push(v)))
 	if (this.fill?.source === null) {
 		let image = new Image()
 		image.crossOrigin = 'anonymous'