Performance improvements: structural sharing & moderation opts context (#3785)

* Fix: correctly apply structural sharing to preferences object

* Move moderation opts into a context

* Fix import

* Remove log

* Pass userdid directly

* Pass moderationPrefs directly

src/state/queries/notifications/unread.tsx

@@ -13,7 +13,7 @@ import {logger} from '#/logger'
 import {isNative} from '#/platform/detection'
 import {useMutedThreads} from '#/state/muted-threads'
 import {useAgent, useSession} from '#/state/session'
-import {useModerationOpts} from '../preferences'
+import {useModerationOpts} from '../../preferences/moderation-opts'
 import {truncateAndInvalidate} from '../util'
 import {RQKEY as RQKEY_NOTIFS} from './feed'
 import {CachedFeedPage, FeedPage} from './types'