FIX: Prevent default event and stop bubbling up when card popup is closed in mobile

app/assets/javascripts/discourse/mixins/card-contents-base.js.es6

@@ -97,6 +97,10 @@ export default Ember.Mixin.create({
           }
 
           this._close();
+
+          if (this.site.mobileView) {
+            return false;
+          }
         }
 
         return true;