[Bug] input rules in inlineCode should keep code.

[4-1-1]

Describe the bug

All punctuation in an inline code should be reserved.
To Reproduce
Steps to reproduce the behavior:

input `*a*`
got a bold in an inline code.

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots

Milkdown version
List the versions of milkdown packages you have here.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [chrome]
• Version [6.3]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[Saul-Mirone]

I can't reproduce this. Can you please provide more details or upload a video?

[4-1-1]

https://codesandbox.io/s/eager-hypatia-2hpveu?file=/src/App.js

Just input three *

[4-1-1]

Just one line code

[Saul-Mirone]

Just one line code

Not that simple, this will break something like bold code

[4-1-1]

if you mean bold the text in code . **bold**.
it should be break

[Saul-Mirone]

bold code

**`bold code`**

[stan12138]

I have same problem. when I want input someting like:
the data_name should not same with data_label

in other markdown software like typora，I should input:

the `data_name` should not same with `data_label`

It will be like this:

but in milkdown it will be like this: