Reset selectedProposals after confirmation

app/controllers/index.js

@@ -1,6 +1,7 @@
 import Controller from '@ember/controller';
 import { alias, filter, filterBy, sort } from '@ember/object/computed';
 import { inject as injectService } from '@ember/service';
+import RSVP from 'rsvp';
 
 export default Controller.extend({
   kredits: injectService(),
@@ -22,12 +23,14 @@ export default Controller.extend({
   actions: {
     confirmProposals(proposalIds) {
       if (this.kredits.currentUser.isCore) {
-        this.kredits.batchVote(proposalIds)
+        return this.kredits.batchVote(proposalIds)
           .then((transaction) => {
             window.confirm('Vote submitted to Ethereum blockhain: '+transaction.hash);
+            return transaction;
           });
       } else {
         window.alert('Only members can vote on proposals. Please ask someone to set you up.');
+        return RSVP.reject();
       }
     },