Implement Budget-List via Getter

web/src/store/dashboard/index.js

@@ -10,6 +10,11 @@ const dashboard = {
                 state.Budgets = budgets;
         }
     },
+    getters: {
+        Budgets(state) {
+            return state.Budgets || [];
+        }
+    },
     actions: {
         fetchDashboard ({state, commit, rootState}) {
             fetch("/api/v1/dashboard", {