simplify function to create a string from the itemized block

src/comment.rs

@@ -481,10 +481,7 @@ impl ItemizedBlock {
 
     /// Returns the block as a string under its original form
     fn original_block_as_string(&self) -> String {
-        self.lines
-            .iter()
-            .map(|line| format!("{}\n", line))
-            .collect::<String>()
+        self.lines.join("\n")
     }
 }
 

tests/target/issue-3224.rs

@@ -0,0 +1,11 @@
+// rustfmt-wrap_comments: true
+
+//! Test:
+//! * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+//! * [`examples/simple`] – Demonstrates use of the [`init`] API with plain
+//!   structs.
+//! * [`examples/simple_flatbuffer`] – Demonstrates use of the [`init`] API with
+//!   FlatBuffers.
+//! * [`examples/gravity`] – Demonstrates use of the [`RLBot::set_game_state`]
+//!   API
+fn foo() {}