Change Details

Will go through Test Plan a couple times in my environment.

Will go through Test Plan a couple times in my environment. 1. Patch in this diff 2. Rebase and "stop on" (edit) "DUMMY` commit 3. Run `yarn dev` everywhere and observe the `ThreadInfo`s via Redux DevTools. Observe that there are member permissions for thin threads. 4. `git rebase --continue` 5. Observe the logs in browser dev tools and confirm that migration ran successfully 6. Observe that thin threads no longer have member permissions via Redux DevTools.

Will go through Test Plan a couple times in my environment. 1. Patch in this diff 2. Rebase and "stop on" (edit) "DUMMY` commit 3. Run `yarn dev` everywhere and observe the `ThreadInfo`s via Redux DevTools. Observe that there are member permissions for thin threads. 4. `git rebase --continue` 5. Observe the logs in browser dev tools and confirm that migration ran successfully 6. Observe that thin threads no longer have member permissions via Redux DevTools.