Fixed mypy type detection for Parameter values

[dskrypa]

Related to #151, this PR fixes type detection by mypy for Parameter values, without the need to explicitly annotate the wrapped type in most scenarios.

[codecov]

Codecov Report

❌ Patch coverage is 89.62963% with 28 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.02%. Comparing base (2988d74) to head (d885bb5).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/cli_command_parser/conversion/argparse_ast.py	78.94%	5 Missing and 3 partials ⚠️
lib/cli_command_parser/parameters/_typing.py	0.00%	6 Missing ⚠️
lib/cli_command_parser/parameters/base.py	88.88%	1 Missing and 4 partials ⚠️
lib/cli_command_parser/conversion/cli.py	0.00%	4 Missing ⚠️
lib/cli_command_parser/conversion/visitor.py	84.21%	1 Missing and 2 partials ⚠️
lib/cli_command_parser/context.py	66.66%	0 Missing and 1 partial ⚠️
lib/cli_command_parser/typing.py	96.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #156      +/-   ##
==========================================
- Coverage   97.24%   97.02%   -0.23%     
==========================================
  Files          52       54       +2     
  Lines        7036     7052      +16     
  Branches     1126     1138      +12     
==========================================
  Hits         6842     6842              
- Misses        136      148      +12     
- Partials       58       62       +4     

Flag	Coverage Δ
unittests	97.00% <89.25%> (-0.20%)	⬇️

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