fix lint (#2388)

lib/src/Navigation.js

 
   /**
    * Show a screen as a modal.
-   * @param {Object} params 
+   * @param {Object} params
    */
   showModal(params) {
     return this.commands.showModal(params);
   /**
    * Push a new screen into this screen's navigation stack.
    * @param {String} containerId The container's id.
-   * @param {*} params 
+   * @param {*} params
    */
   push(containerId, params) {
     return this.commands.push(containerId, params);
   /**
    * Pop a container from the stack, regardless of it's position.
    * @param {String} containerId The container's id.
-   * @param {*} params 
+   * @param {*} params
    */
   pop(containerId, params) {
     return this.commands.pop(containerId, params);
 
   /**
    * Pop the container's stack to root.
-   * @param {*} containerId 
+   * @param {*} containerId
    */
   popToRoot(containerId) {
     return this.commands.popToRoot(containerId);