fix: fully reset token manager on user disconnect

[myandrienko]

🚂 https://github.com/GetStream/stream-video-js/pull/1578

[github-actions[bot]]

Size Change: +38 B (+0.01%)

Total Size: 458 kB

Filename	Size	Change
dist/browser.es.js	99.7 kB	+9 B (+0.01%)
dist/browser.full-bundle.min.js	56.6 kB	+6 B (+0.01%)
dist/browser.js	101 kB	+7 B (+0.01%)
dist/index.es.js	99.8 kB	+8 B (+0.01%)
dist/index.js	101 kB	+8 B (+0.01%)

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