fix(ui): Update InstallBanner to hide on mobile devices

[lgmarchi]

What this PR does 📖

This pull request includes a small but significant change to the InstallBanner component in the src/lib/components/ui/InstallBanner.svelte file. The change involves adding a new function to detect mobile devices and updating the logic for showing the install banner.

Changes to InstallBanner component:

• Added isMobile function to detect mobile user agents.
• Updated showBanner logic to include isMobile function in the conditions for hiding the banner.
• isCapacitor was causing the error, because we are using some capacitor libs for web as well

Which issue(s) this PR fixes 🔨

• Resolve #

Special notes for reviewers 🗒️

Additional comments 🎤

[github-actions]

Download the app installers for this pull request:

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

[github-actions]

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

[phillsatellite]

Hey @lgmarchi We reverted this because @luis found a bug where the banner was not appearing in mobile viewport

Steps to reproduce were
-go to chrome
-mobile viewport
-refresh
-banner doesnt appear