fix: ensure proper set up of server-side preferences for mic and camera

[oliverlaz]

💡 Overview

This code used to be buggy, and when combined with usePersistedDevicePreferences, it was causing a race condition that caused devices to be enabled/disabled randomly, depending on who reached the critical block first.
Besides that, CameraManager was incorrectly checking for SEND_AUDIO instead of SEND_VIDEO capability. This is fixed now, too.

📝 Implementation notes

• The apply method is now refactored and made easier to understand.
• usePersistedDevicePreferences now sets the deferServerDefaults flag that prevents applying server-side defaults, as the user preferences should always take precedence. This hook handles the initial device setup up too, so we aren't losing the default settings.

🎫 Ticket: https://linear.app/stream/issue/REACT-737/improve-applying-of-default-device-preferences
📑 Docs: https://github.com/GetStream/docs-content/pull/896

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Latest commit: 07541c3

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