Fix log scrolling on Firefox

src/components/Combat.vue

@@ -94,7 +94,8 @@ export default class Combat extends Vue {
       })
       holder.classList.add("left-move")
       log.appendChild(holder)
-      log.scrollTo({ top: 10000000000, left: 0 })
+
+      log.scrollTo({ top: log.scrollHeight, left: 0 })
     }
   }
 
@@ -109,7 +110,8 @@ export default class Combat extends Vue {
       })
       holder.classList.add("right-move")
       log.appendChild(holder)
-      log.scrollTo({ top: 10000000000, left: 0 })
+
+      log.scrollTo({ top: log.scrollHeight, left: 0 })
     }
   }