[CO-389] Patch x509 parseSAN function to encode IP to valid bytes

[KtorZ]

Description

Turns out that we can't use the 'encode' function from Net.IP as it generates
invalid encoding for x509. I left a NOTE explaining what's going on such that
next readers will know what's going on.

Linked issue

CO-389

Type of change

• 🐞 Bug fix (non-breaking change which fixes an issue)
• 🛠 New feature (non-breaking change which adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)
• 🏭 Refactoring that does not change existing functionality but does improve things like code readability, structure etc
• 🔨 New or improved tests for existing code
• ⛑ git-flow chore (backport, hotfix, etc)

Developer checklist

• I have read the style guide document, and my code follows the code style of this project.
• If my code deals with exceptions, it follows the guidelines.
• I have updated any documentation accordingly, if needed. Documentation changes can be reflected in opening a PR on cardanodocs.com, amending the inline Haddock comments, any relevant README file or one of the document listed in the docs directory.
• [ ] CHANGELOG entry has been added and is linked to the correct PR on GitHub.

Testing checklist

• I have added tests to cover my changes.
• All new and existing tests passed.

QA Steps

Screenshots (if available)

[KtorZ]

hlint was complaining.

[KtorZ]

Merging with integration tests still failing (unrelated), but at least, we can now query the /api/v1/node-info back again.

  1) Accounts can retrieve initial and updated balances of several accounts from getAccountBalancesthat are equivalent to what is obtained from getAccounts
       uncaught exception: PatternMatchFail
  2) Accounts redeeming avvm key gives rise to the corresponding increase of balance of wallet'account - mnemonic not used
       Falsifiable (after 1 test):
  3) Transactions posted transactions appear in the index
       Falsifiable (after 1 test):
  4) Transactions asset-locked wallets can receive funds and transactions are confirmed in index
       Falsifiable (after 1 test):
  5) Transactions sending from asset-locked address in wallet with no ther addresses gets 0 confirmations from core nodes
       uncaught exception: PatternMatchFail