Migrated progress bar and progress editor to vuex.

assets/js/pages/booklistingheader.vue

@@ -1,12 +1,12 @@
 <template>
   <div>
-    <h1 v-if="searchTitle" v-html="'Book search: '+searchTitle"></h1>
+    <h1 v-if="isSearching" v-html="'Book search: '+searchTitle"></h1>
     <h1 v-else>Book list</h1>
   </div>
 </template>
 
 <script>
-import {mapState} from "vuex";
+import {mapGetters, mapState} from "vuex";
 
 export default {
   name: 'BookListingHeader',
@@ -17,6 +17,7 @@ export default {
   },
   computed: {
     ...mapState('booksmodule', ['searchTitle']),
+    ...mapGetters('booksmodule', ['isSearching'])
   },
 }
 </script>