Implement Budget-List via Getter

web/src/pages/Dashboard.vue

@@ -1,10 +1,5 @@
 <script>
 export default {
-    computed: {
-        dashboard () { 
-            return this.$store.state;
-        }
-    },
     mounted () {
         this.$store.dispatch("fetchDashboard");
     }
@@ -12,7 +7,7 @@ export default {
 </script>
 
 <template>
-    <div v-if="dashboard != nil" v-for="budget in dashboard.Budgets" class="budget-item">
+    <div v-for="budget in $store.getters.Budgets" class="budget-item">
         <router-link v-bind:to="'/budget/'+budget.ID">{{budget.Name}}</router-link>
         <span class="time"></span>
     </div>