fix(core-p2p): ip address validation

[spkjp]

Proposed changes

This PR adds the ip address fix from #2042 and simplifies the checks we do by moving some stuff into a new helper.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (improve a current implementation without adding a new feature or fixing a bug)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Build (changes that affect the build system)
• Docs (documentation only changes)
• Test (adding missing tests or fixing existing tests)
• Other... Please describe:

Checklist

• I have read the CONTRIBUTING documentation
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[ghost]

@faustbrian @alexbarnsley - please review this pull request in the next few days. Be sure to explicitly select labels so I know what's going on.

If no reviewer appears after a week, a reminder will be sent out.

[codecov-io]

Codecov Report

Merging #2045 into develop will increase coverage by 0.04%.
The diff coverage is 92.1%.

@@             Coverage Diff             @@
##           develop    #2045      +/-   ##
===========================================
+ Coverage    73.26%   73.31%   +0.04%     
===========================================
  Files          373      373              
  Lines         8222     8243      +21     
  Branches      1196     1212      +16     
===========================================
+ Hits          6024     6043      +19     
  Misses        2165     2165              
- Partials        33       35       +2

Impacted Files	Coverage Δ
packages/core-p2p/src/court/guard.ts	79.59% <ø> (-0.41%)	⬇️
packages/core-p2p/src/peer.ts	88.88% <ø> (-0.13%)	⬇️
packages/core-p2p/src/monitor.ts	53.77% <83.33%> (+0.24%)	⬆️
packages/core-p2p/src/utils/is-valid-peer.ts	96.15% <96.15%> (ø)
packages/core-test-utils/src/helpers/container.ts	0% <0%> (ø)	⬆️
packages/core-test-utils/src/generators/wallets.ts	14.28% <0%> (ø)	⬆️

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