在设置重复过滤阈值的时候输入空字符串会抛出错误并崩溃

错误信息
==============System Info================
System:Microsoft Windows NT 6.2.9200.0
CurrentTime:2020/12/1 23:40
dotNetVersion:4.0.30319.42000
MisakaTranslatorVersion:2.7.0.0
==============Exception Info================
ExceptionType:UI Thread
ExceptionSource:mscorlib
ExceptionMessage:输入字符串的格式不正确。
ExceptionStackTrace: 在 System.Number.StringToNumber(String

Please provide play/pause function of selected text speaking like it is already available in main-window.
I.e. make Control+Alt+S play and pause selected text speaking.

Describe the bug
Popup with translation in some cases can be broken by the styles of the page where it is open.

To Reproduce

1. Go to example.com
2. Select some text to translate
3. See a popup with extra padding like on the screenshots below

Expected behavior
A popup without extra paddings.

Screenshots
![Screenshot 2021-02-28 at 20 18 41](https

Are there any plans to implement the reflection system in the project, if so, do you have any idea how it will work to generate methods and classes at runtime, and execute this code?

For exemple, if we have this code:

    static void Main(string[] args)
    {
        const string AssemblyName = "HelloWorld.dll";
        var assembly = AssemblyBuilder.DefineDynamicAssembly(

Description

The cli functionality needs to be updated since more translators are now integrated. This is a fair easy issue for new comers to help people contribute to the project.