Fixed: Library shown as empty after filter returns no movies and page is refreshed (#3515)

Fixes #3514

src/UI/Movies/Index/MoviesIndexLayout.js

@@ -370,7 +370,7 @@ module.exports = Marionette.Layout.extend({
     },
 
     _renderView : function() {
-        if (MoviesCollection.length === 0) {
+        if (MoviesCollection.length === 0 && !this.moviesCollection.isFiltered()) {
             this.moviesRegion.show(new EmptyView());
 
             this.toolbar.close();

src/UI/Movies/MoviesCollection.js

@@ -261,6 +261,10 @@ var Collection = PageableCollection.extend({
       this.fetch();
     },
 
+    isFiltered : function() {
+        return this.state.filterKey && this.state.filterKey !== 'all';
+    },
+
     comparator: function (model) {
 		return model.get('sortTitle');
     }