H5的image组件iOS12上图片Orientation转向问题

**问题描述**
iOS12版本及以下，使用image标签展示图片会根据图片的Orientation信息旋转图片，安卓正常

**复现步骤**
```


```

**预期结果**
image组件和原生img标签图片展示方向展示效果一样

**实际结果**
image组件和原生img标签展示方向效果不一样

**系统信息:**
- 发行平台: H5平台
- 操作系统 iOS 12.4.0
- HBuilderX版本 [如使用HBuilderX，则需提供 HBuilderX 版本号]
- uni-app版本
```
uni-app v2.8.8
uni-app cli v2.0.0-28820200820001

Environment Info:

System:
OS: macOS 10.15.6
CPU: (8) x64 Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz
Binaries:
Node: 12.18.2 - /usr/local/opt/node@12/bin/node
Yarn: 1.22.4 - /usr/local/bin/yarn
npm: 6.14.5 - /usr/local/opt/node@12/bin/npm
Browsers:
Chrome: 85.0.4183.83
Firefox: 66.0.3
Safari: 13.1.2
npmPackages:
@ant-design-vue/babel-helper-vue-transform-on: 1.0.1
@dcloudio/types: * => 2.0.5
@dcloudio/uni-app-plus: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-app-plus-nvue: 0.0.1
@dcloudio/uni-app-plus-nvue-v8: 0.0.1
@dcloudio/uni-automator: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-cli-shared: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-h5: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-helper-json: * => 1.0.6
@dcloudio/uni-migration: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-mp-360: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-mp-alipay: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-mp-baidu: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-mp-qq: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-mp-toutiao: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-mp-vue: ^2.0.0-28820200820001 => 2.0.0-alpha-28920200827002
@dcloudio/uni-mp-weixin: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-quickapp-native: ^2.0.0-28820200820001 => 2.0.0-alpha-28920200827002
@dcloudio/uni-quickapp-webview: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-stat: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/uni-template-compiler: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/vue-cli-plugin-hbuilderx: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/vue-cli-plugin-uni: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/vue-cli-plugin-uni-optimize: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/webpack-uni-mp-loader: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@dcloudio/webpack-uni-nvue-loader: 0.0.1
@dcloudio/webpack-uni-pages-loader: ^2.0.0-28820200820001 => 2.0.0-28820200820001
@hap-toolkit/dsl-vue: 0.6.13
@vue/babel-helper-vue-jsx-merge-props: 1.0.0
@vue/babel-plugin-transform-vue-jsx: 1.1.2
@vue/babel-preset-app: 4.5.4
@vue/babel-preset-jsx: 1.1.2
@vue/babel-sugar-functional-vue: 1.1.2
@vue/babel-sugar-inject-h: 1.1.2
@vue/babel-sugar-v-model: 1.1.2
@vue/babel-sugar-v-on: 1.1.2
@vue/cli-overlay: 4.5.4
@vue/cli-plugin-babel: ~4.5.0 => 4.5.4
@vue/cli-plugin-router: 4.5.4
@vue/cli-plugin-vuex: 4.5.4
@vue/cli-service: ~4.5.0 => 4.5.4
@vue/cli-shared-utils: 4.5.4
@vue/component-compiler-utils: 3.2.0 (3.2.0)
@vue/preload-webpack-plugin: 1.1.2
@vue/shared: ^3.0.0-rc.4 => 3.0.0-rc.9
@vue/web-component-wrapper: 1.2.0
mpvue-page-factory: 1.0.1
mpvue-template-compiler: 1.0.13
uni-h5-vue: 2.6.10
uni-mp-vue: 2.6.10
vue: ^2.6.11 => 2.6.12
vue-hot-reload-api: 2.3.4
vue-loader: 15.9.3 (16.0.0-beta.5, 15.9.3)
vue-router: 3.0.1
vue-style-loader: 4.1.2
vue-template-compiler: ^2.6.11 => 2.6.12 (2.6.12)
vue-template-es2015-compiler: 1.9.1
vuex: ^3.2.0 => 3.5.1
npmGlobalPackages:
@vue/cli: 4.3.1

```
- 设备信息 iPhone8

**补充信息**
preview-image.vue和image/index.vue关于img标签的处理不一样