Support fast-preview for base64 input expression

Related Issue: https://gitee.com/openharmony/arkcompiler_ets_frontend/issues/I5LKH7

for test.js:

```
a+b+c+100;
```
The output pandaasm via Origin es2abc toolchain:
![输入图片说明](https://foruda.gitee.com/images/1660124981959367024/屏幕截图.png "屏幕截图.png")

The output pandaasm via fast-preview option:
![输入图片说明](https://foruda.gitee.com/images/1660125046259876479/屏幕截图.png "屏幕截图.png")

Input: js file, Output: base64 string:
![输入图片说明](https://foruda.gitee.com/images/1660125085528765815/屏幕截图.png "屏幕截图.png")

Input: js file, Output: abc file:
![输入图片说明](https://foruda.gitee.com/images/1660125120970819891/屏幕截图.png "屏幕截图.png")

Input: base64 string, Output: base64 file:
![输入图片说明](https://foruda.gitee.com/images/1660125161891005588/屏幕截图.png "屏幕截图.png")

Input: base64 string Output: abc file:
![输入图片说明](https://foruda.gitee.com/images/1660125206350553871/屏幕截图.png "屏幕截图.png")

Test262:
![输入图片说明](https://foruda.gitee.com/images/1660125871409368836/屏幕截图.png "屏幕截图.png")

IDE上表现正常：
![输入图片说明](https://foruda.gitee.com/images/1660126379067434817/屏幕截图.png "屏幕截图.png")

类型	指派人员	状态
审查	godmiaozi 已审查通过 hhj	已完成 (1/1人)
测试	openharmony_ci 已测试通过	已完成 (1/1人)

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