fix: Trim trailing whitespace from printed tables

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/modes/info.rs

@@ -125,7 +125,7 @@ fn show_item(
         ]);
     }
 
-    println!("{}", table);
+    println!("{}", table.trim_end());
     Ok(())
 }