💄 update reverse array example to modern syntax

Suggest `arr.toReversed()` instead of construction `[...array].reverse()` offering a more modern and simpler solution

Author: lregaladohdez

src/guide/essentials/list.md

@@ -436,5 +436,5 @@ Be careful with `reverse()` and `sort()` in a computed property! These two metho
 
 ```diff
 - return numbers.reverse()
-+ return [...numbers].reverse()
++ return numbers.toReversed()
 ```