Use props for budgetid

web/src/pages/BudgetSidebar.vue

@@ -1,8 +1,8 @@
 <script>
 export default {
+  props: ['budgetid'],
   mounted () {
-    const budgetid = this.$route.params.budgetid;
-    this.$store.dispatch("setCurrentBudget", budgetid)
+    this.$store.dispatch("setCurrentBudget", this.budgetid)
   }
 }