FCE-2509, FCE-2676: startCamera from useCamera is causing useEffect rerenders

[MiloszFilimowski]

Description

• getLogger was returning a new reference on every render, which made every hook that used it unstable.

Motivation and Context

• logger was unstable

Documentation impact

• Documentation update required
• Documentation updated in another PR
• No documentation update required

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)

[linear]

FCE-2676 startCamera from useCamera is causing useEffect rerenders

FCE-2509 startDevice causes useEffect to run multiple times

[Copilot]

Pull request overview

Stabilizes the logger instance used throughout the React client provider to prevent downstream hooks (e.g., camera start logic) from re-running effects due to changing function/object references.

Changes:

• Memoize getLogger(...) inside FishjamProvider so it does not create a new reference on every render.
• Keep logger stable across renders unless debug changes.

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[czerwiukk]

good catch