Avoid searching for bracketed comments in unparenthesized generators (#7627)

Similar to tuples, a generator _can_ be parenthesized or
unparenthesized. Only search for bracketed comments if it contains its
own parentheses.

Closes https://github.com/astral-sh/ruff/issues/7623.

crates/ruff_python_formatter/src/comments/placement.rs

@@ -11,6 +11,7 @@ use ruff_source_file::Locator;
 use ruff_text_size::{Ranged, TextLen, TextRange, TextSize};
 
 use crate::comments::visitor::{CommentPlacement, DecoratedComment};
+use crate::expression::expr_generator_exp::is_generator_parenthesized;
 use crate::expression::expr_slice::{assign_comment_in_slice, ExprSliceCommentSection};
 use crate::expression::expr_tuple::is_tuple_parenthesized;
 use crate::other::parameters::{
@@ -290,12 +291,16 @@ fn handle_enclosed_comment<'a>(
         AnyNodeRef::ExprFString(fstring) => CommentPlacement::dangling(fstring, comment),
         AnyNodeRef::ExprList(_)
         | AnyNodeRef::ExprSet(_)
-        | AnyNodeRef::ExprGeneratorExp(_)
         | AnyNodeRef::ExprListComp(_)
         | AnyNodeRef::ExprSetComp(_) => handle_bracketed_end_of_line_comment(comment, locator),
         AnyNodeRef::ExprTuple(tuple) if is_tuple_parenthesized(tuple, locator.contents()) => {
             handle_bracketed_end_of_line_comment(comment, locator)
         }
+        AnyNodeRef::ExprGeneratorExp(generator)
+            if is_generator_parenthesized(generator, locator.contents()) =>
+        {
+            handle_bracketed_end_of_line_comment(comment, locator)
+        }
         _ => CommentPlacement::Default(comment),
     }
 }