Fix option parsing after request arguments on older Python

[mturac]

Summary

• use argparse intermixed parsing for HTTPie request arguments
• keep request items after an output option from being treated as unknown args on Python 3.11/3.12
• add a regression test for the reported offline verbose command

Fixes #1838.

Tests

• python3.11 -m pytest tests/test_cli.py -k "IntermixedOptions or no_options"
• python3.11 -m pytest tests/test_output.py -k "quiet_with_explicit_output_options"
• python3.11 -m pytest tests/test_cli.py tests/test_output.py
• python3.11 -m flake8 httpie/cli/argparser.py tests/test_cli.py
• git diff --check