update(desktop): fix download app banner showing in desktop versions

[luisecm]

What this PR does 📖

• Download banner was showing on desktop builds, due to a wrong value on TAURI property from window object. Fixing in this PR

Before: Showing in Desktop:

After: Not showing in Desktop:

Still showing in Web:

Which issue(s) this PR fixes 🔨

• Resolve #

Special notes for reviewers 🗒️

Additional comments 🎤

[github-actions[bot]]

Download the app installers for this pull request:

• build-macos.zip
• build-windows.zip
• build-ubuntu.zip
• build-android.zip

[github-actions[bot]]

Automated tests execution is complete! You can find the Playwright test report here and the Allure Test Report here