[`isort`] Exclude pragma comments from line length calculation (`I001`) (#27313)
## Summary
multiple issues arise of line length limits conflicting with per-line
suppressions. it was proposed that pragmas should not be included in
line length calculation. this is an attempt at that
fixes https://github.com/astral-sh/ruff/issues/12179
fixes https://github.com/astral-sh/ruff/issues/20042
fixes https://github.com/astral-sh/ruff/issues/27059
## Test Plan
- added/amended existing test cases
- verified expected behavior on large existing codebase that has several
existing line-wrapping issues. all are now automatically fixed by ruff
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Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>