优化图片预览组件，支持缩略图加载失败回退

Tevin

2024-03-20 01cf735453bb4f2757615beab5ee72480c07e417

 common/Bridge.js

@@ -131,11 +131,12 @@
                        data = typeof res === 'string' ? JSON.parse(res) : res;
                        // 转换接收参数键名为驼峰
                        data = this.transKeyName('camel', data);
                        // 回传业务层
                        callback(data);
                    } catch (e) {
                        Tools.toast('跨端通讯异常：解析数据失败！');
                        return;
                    }
                    // 回传业务层，忽略来自业务层的报错
                    callback(data);
                }
                // res 无值，视为 java 层异常，由 java 层进行异常提醒
                else {