move Activity.active() guard into toggle(); always add controller in start()

plugin.js

@@ -81,13 +81,13 @@
 
         // Wire up keyboard/remote navigation (pattern from Shikimori plugin).
         this.start = function () {
-            if (Lampa.Activity.active().activity !== this.activity) return;
             if (!grid) return;
             var cards = grid.find('.card.selector');
             if (!cards.length) return;
 
             Lampa.Controller.add('content', {
                 toggle: function () {
+                    if (Lampa.Activity.active().activity !== comp.activity) return;
                     Lampa.Controller.collectionSet(grid);
                     Lampa.Controller.collectionFocus(cards[0], grid);
                 },