修复文本测试尺寸计算

src/2d/text/TextField.ts

@@ -834,6 +834,19 @@ export class TextField extends Sprite {
 		}
 	}
 
+	/**
+	 * 更新自己的bounds，计算全局
+	 * @private
+	 */
+	_calculateBounds() {
+		const {width, height} = this._localBoundsSelf;
+		var matrix = this.transform.worldMatrix;
+		this._bounds.x = matrix.tx;
+		this._bounds.y = matrix.ty;
+		this._bounds.width = width;
+		this._bounds.height = height;
+	}
+
 	/**
 	 * 更新texture及baseTexture属性
 	 * 不考虑trim，