[pycodestyle] Respect isort settings in blank line rules (E3*) (#10096)

## Summary

This PR changes the `E3*` rules to respect the `isort`
`lines-after-imports` and `lines-between-types` settings. Specifically,
the following rules required changing

* `TooManyBlannkLines` : Respects both settings.
* `BlankLinesTopLevel`: Respects `lines-after-imports`. Doesn't need to
respect `lines-between-types` because it only applies to classes and
functions


The downside of this approach is that `isort` and the blank line rules
emit a diagnostic when there are too many blank lines. The fixes aren't
identical, the blank line is less opinionated, but blank lines accepts
the fix of `isort`.

<details>
	<summary>Outdated approach</summary>
Fixes
https://github.com/astral-sh/ruff/issues/10077#issuecomment-1961266981

This PR changes the blank line rules to not enforce the number of blank
lines after imports (top-level) if isort is enabled and leave it to
isort to enforce the right number of lines (depends on the
`isort.lines-after-imports` and `isort.lines-between-types` settings).

The reason to give `isort` precedence over the blank line rules is that
they are configurable. Users that always want to blank lines after
imports can use `isort.lines-after-imports=2` to enforce that
(specifically for imports).

This PR does not fix the incompatibility with the formatter in pyi files
that only uses 0 to 1 blank lines. I'll address this separately.

</details>

## Review
The first commit is a small refactor that simplified implementing the
fix (and makes it easier to reason about what's mutable and what's not).


## Test Plan

I added a new test and verified that it fails with an error that the fix
never converges. I verified the snapshot output after implementing the
fix.

---------

Co-authored-by: Hoël Bagard <34478245+hoel-bagard@users.noreply.github.com>

crates/ruff_python_codegen/src/stylist.rs

@@ -12,6 +12,7 @@ use ruff_source_file::{find_newline, LineEnding};
 use ruff_python_ast::str::leading_quote;
 use ruff_source_file::Locator;
 
+#[derive(Debug, Clone)]
 pub struct Stylist<'a> {
     locator: &'a Locator<'a>,
     indentation: Indentation,
@@ -145,7 +146,7 @@ impl fmt::Display for Quote {
 }
 
 /// The indentation style used in Python source code.
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Indentation(String);
 
 impl Indentation {