fix: fix incorrect semantic error logging by refactoring error.scala from frontend

src/main/wacc/Main.scala

@@ -53,14 +53,15 @@ def frontend(
 
       if (errors.result.isEmpty) IO.pure(Right(typedProg))
       else {
+        given errorContent: String = contents
         val exitCode = errors.result.view.map {
           case _: Error.InternalError => 201
           case _                      => 200
         }.max
 
-        logger.error(s"Semantic errors:\n${errors.result.mkString("\n")}") *> IO.pure(
-          Left(exitCode)
-        )
+        val formattedErrors = errors.result.map(formatError).mkString("\n")
+
+        logger.error(s"Semantic errors:\n$formattedErrors") *> IO.pure(Left(exitCode))
       }
   }
 }