fix: add missing return to example in rpg project step 146 (#53890)

curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-javascript-by-building-a-role-playing-game/62aa1eec891ed731db227a36.md

@@ -22,7 +22,7 @@ if (score > 0) {
 }
 
 // ternary operator
-score > 0 ? score : default_score
+return score > 0 ? score : default_score
 ```
 
 In `getMonsterAttackValue`, change `return hit` to a ternary operator that returns `hit` if `hit` is greater than `0`, or returns `0` if it is not.