Quest completion modal acknowledge on close (#10089)

* Change quest completion modal to only close on user acknowledge of clicking ok or 'x'
and update 'x' to acknowledge the quest completion.

* Removing check on header-close.

* Removing unused variable.

website/client/components/achievements/questCompleted.vue

@@ -1,6 +1,7 @@
 <template lang="pug">
   b-modal#quest-completed(v-if='user.party.quest.completed', :title="title",
-    size='md', :hide-footer="true")
+    size='md', :hide-footer="true", :no-close-on-esc="true", :no-close-on-backdrop="true",
+    @hide='hide')
     .modal-body.text-center
       .quest(:class='`quest_${user.party.quest.completed}`')
       p(v-if='questData.completion && typeof questData.completion === "function"', v-html='questData.completion()')
@@ -61,6 +62,9 @@ export default {
       this.$store.dispatch('user:set', {'party.quest.completed': ''});
       this.close();
     },
+    hide () {
+      this.setQuestCompleted();
+    },
   },
 };
 </script>