fix history navigation buttons in server, #3527

src/public/app/widgets/buttons/command_button.js

@@ -39,7 +39,7 @@ export default class CommandButtonWidget extends AbstractButtonWidget {
 
     /**
      * @param {function|string} command
-     * @returns {CommandButtonWidget}
+     * @returns {this}
      */
     command(command) {
         this.settings.command = command;

src/public/app/widgets/buttons/history_navigation.js

@@ -23,6 +23,10 @@ export default class HistoryNavigationButton extends ButtonFromNoteWidget {
     doRender() {
         super.doRender();
 
+        if (!utils.isElectron()) {
+            return;
+        }
+
         this.webContents = utils.dynamicRequire('@electron/remote').getCurrentWebContents();
 
         // without this the history is preserved across frontend reloads