Apply more suggestions.

src/parser/drawer.rs

@@ -49,7 +49,7 @@ where
 {
     if immediate_in_section(context, "drawer") {
         return Err(nom::Err::Error(CustomError::MyError(MyError(
-            "Cannot nest objects of the same element".into(),
+            "Cannot nest objects of the same element",
         ))));
     }
     start_of_line(remaining)?;