Using tab in the code block doesn't work with the markdown extension

[kimproductions]

Describe the bug
When trying to add a tab inside a code block using the following code:

addKeyboardShortcuts() {
        return {
            Tab: () => {
                if (this.editor.isActive("codeBlock")) {
                    return this.editor.commands.insertContent("\t");
                }
            },
        };
    },

It doesn't work with this extension. I'm not quite sure what is happening.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

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

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):
chrome, react, macos

Additional context
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