multi_line_output ignored when wrapping with comment

[PeterJCLaw]

Given:
setup.cfg:

[isort]
atomic = True
balanced_wrapping = True
combine_as_imports = True
include_trailing_comma = True
multi_line_output = 3
order_by_type = False
float_to_top = True

extra_standard_library = typing_extensions
default_section = THIRDPARTY
sections = FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,LOCALFOLDER

foo.py:

from pythonosc.udp_client import SimpleUDPClient  # type: ignore[import-untyped]

Expected:

from pythonosc.udp_client import (  # type: ignore[import-untyped]
    SimpleUDPClient,
)

Actual:

from pythonosc.udp_client import \
    SimpleUDPClient  # type: ignore[import-untyped]