Attach dangling comments to the comprehension instead of the if or iter nodes (#7693)

crates/ruff_python_formatter/src/expression/expr_slice.rs

@@ -146,6 +146,15 @@ impl FormatNodeRule<ExprSlice> for FormatExprSlice {
         }
         Ok(())
     }
+
+    fn fmt_dangling_comments(
+        &self,
+        _dangling_node_comments: &[SourceComment],
+        _f: &mut PyFormatter,
+    ) -> FormatResult<()> {
+        // Handled as part of `fmt_fields`
+        Ok(())
+    }
 }
 
 /// We're in a slice, so we know there's a first colon, but with have to look into the source