better quest adventurer choice ux

src/components/QuestMissive.vue

@@ -19,7 +19,7 @@
       <button class="slot">
         <AdventurerComponent
             :adventurer="missive.adventurers[0]"
-            :all-adventurers="adventurers"
+            :all-adventurers="notBusyAdventurers"
             @hire-adventurer="(id) => {
                 adventurers[id].busy = true;
                 missive.adventurers[0] = adventurers[id];
@@ -63,6 +63,9 @@ export default defineComponent({
     progressPercentageValue(): string {
       return `${this.missive.progressPoints / this.missive.maxProgress * 100}%`;
     },
+    notBusyAdventurers(): Adventurer[] {
+      return Object.values(this.adventurers).filter(adventurer => !adventurer.busy);
+    },
   },
   props: {
     missive: {
@@ -232,7 +235,6 @@ export default defineComponent({
       background-color: rgba(0, 0, 0, 0.2);
       cursor: pointer;
       border-radius: 0.2rem;
-      position: relative;
     }
   }