Support for IPv6 addresses with square parentheses

[ainar-g]

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• [X] I am running the latest version
• [X] I checked the documentation and found no answer
• [X] I checked to make sure that this issue has not already been filed

AdGuard VPN Browser Extension version

1.4.22

Environment

- OS: Ubuntu 22.04.2 LTS
- Browser: Firefox 114.0.2 (64-bit)

Issue Details

Try to add an IPv6 address in the form [1234::cdef] (the form used in URLs and in other circumstances where and IPv6 address can be used with a port) to exclusions.

The address is not added.

Expected Behavior

The address is added.

Screenshots

Additional Information

No response