Make the combatant scrolling orders consistent

src/components/Combat.vue

@@ -70,7 +70,7 @@ import { Side } from '@/game/combat'
         const target = this.$el.querySelector("#right-stats")
 
         if (target !== null) {
-          target.scrollBy({ top: 0, left: -event.deltaY, behavior: 'smooth' })
+          target.scrollBy({ top: 0, left: event.deltaY, behavior: 'smooth' })
         }
       }
     }