Method clearErrorState

packages/fairygui/src/widgets/GLoader.ts:495–503

* Clear error state * 清除错误状态

()

     * 清除错误状态
     */
    private clearErrorState(): void {
        if (this._errorSign) {
            if (this._displayObject && this._errorSign.displayObject) {
                this._displayObject.removeChild(this._errorSign.displayObject);
            }
            GLoader._errorSignPool.returnObject(this._errorSign);
            this._errorSign = null;
        }
    }

    /**
     * Update content layout