Fix: change code for non-escape mode - return url

[samvova]

Description

The correction ensures that when escape is False, url is used instead of content in the formatted string.
Issue#2425

Describe your tests

How did you test your change?

from formatting import mlink

print(mlink("content", "http://example.com/test", escape=False))
#[content](http://example.com/test)

print(mlink("content", "http://example.com/test", escape=True))
#[content](http://example\.com/test)

Python version:
3.10
OS:
Windows 11

Checklist:

• [] I added/edited example on new feature/change (if exists)
• My changes won't break backward compatibility
• I made changes both for sync and async

[Badiboy]

Thank you!