Make back navigation work with history, to preserve scroll position

client/src/pages/createContentBlock.vue

@@ -72,7 +72,10 @@
           class="button button--primary"
           @click="save(contentBlock)"
         >Speichern</a>
-        <a class="button">Abbrechen</a>
+        <a
+          class="button"
+          @click="goToModule"
+        >Abbrechen</a>
       </footer>
     </div>
   </div>
@@ -89,6 +92,7 @@
   import NEW_CONTENT_BLOCK_MUTATION from '@/graphql/gql/mutations/addContentBlock.gql';
   import {setUserBlockType} from '@/helpers/content-block';
   import MODULE_DETAILS_QUERY from '@/graphql/gql/queries/modules/moduleDetailsQuery.gql';
+  import {MODULE_PAGE} from '@/router/module.names';
 
   export default Vue.extend({
     props: {
@@ -235,7 +239,10 @@
               slug
             }
           }]
-        });
+        }).then(this.goToModule);
+      },
+      goToModule() {
+        this.$router.go(-1);
       }
     },
   });