chore(browserCheck): unify ua-parser usage through the utils

[Antreesy]

☑️ Resolves

• Perform browser checks via single utils module
• Tested with Chrome and Firefox

🖌️ UI Checklist

Follow-ups

• replace webrtc-adapter library with ua-parser if possible

🏁 Checklist

• 🌏 Tested with Chrome, Firefox and Safari or should not be risky to browser differences
• 🖥️ Tested with Desktop client or should not be risky for it
• ⛑️ Tests are included or not possible

[ShGKme]

• replace webrtc-adapter library with ua-parser if possible

webrtc-adapter?

[Antreesy]

webrtc-adapter?

I see it's only used in the app as adapter.browserDetails.browser === 'safari', so basically checking for the same thing. But something for a follow-up, of course

[ShGKme]

I mean, I don't see anything related to webrtc-adapter in this PR