fix browser.windows undef error for mobile firefox

Author: slavaleleka

Extension/src/common/api/extension/tabs.ts

@@ -18,6 +18,7 @@
 import browser, { type Tabs } from 'webextension-polyfill';
 
 import { Prefs } from '../../../background/prefs';
+import { UserAgent } from '../../user-agent';
 
 /**
  * Helper class for browser.tabs API.
@@ -45,9 +46,18 @@ export class TabsApi {
         const { id, windowId } = tab;
 
         await browser.tabs.update(id, { active: true });
-        if (windowId) {
-            await browser.windows.update(windowId, { focused: true });
+
+        // browser.windows is not available in Firefox for Android
+        // TODO: check how it works in Edge on Android
+        if (UserAgent.isFirefox && (await UserAgent.getIsAndroid())) {
+            return;
+        }
+
+        if (!windowId) {
+            return;
         }
+
+        await browser.windows.update(windowId, { focused: true });
     }
 
     /**