Convert liveblocks thread metadata to our own typed representation #12137

Job	Run time
Test Server	14s
Install everything with PNPM and cache it / Install everything with PNPM and cache it	1m 48s
Test Editor PR – TypeScript, ESLint, dependency-cruiser	3m 49s
Deploy Staging Editor	3m 9s
Test Editor PR – Jest tests	6m 5s
Test Editor Shard 2 / Test Editor PR – Karma tests (Shard 2)	7m 14s
Test Editor Shard 1 / Test Editor PR – Karma tests (Shard 1)	8m 51s
Run System Tests	1m 44s
Run Comments Tests	2m 40s
Run Performance Tests	14m 1s
Run Collaboration Tests	1m 43s
	51m 18s

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