Eric/preferences (#1873)

* Add initial preferences query, couple mutations

* Remove unused

* Clean up labels, migrate getModerationOpts

* Add birth date handling

* Migrate feed prefs

* Migrate thread view prefs

* Migrate homeFeed to use existing key name

* Fix up saved feeds in response, no impl yet

* Migrate saved feeds to new hooks

* Clean up more of preferences

* Fix PreferencesThreads load state

* Fix modal dismissal

* Small spacing fix

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/state/queries/preferences/util.ts

@@ -0,0 +1,16 @@
+import {LabelPreference} from '@atproto/api'
+
+/**
+ * Content labels previously included 'show', which has been deprecated in
+ * favor of 'ignore'. The API can return legacy data from the database, and
+ * we clean up the data in `usePreferencesQuery`.
+ *
+ * @deprecated
+ */
+export function temp__migrateLabelPref(
+  pref: LabelPreference | 'show',
+): LabelPreference {
+  // @ts-ignore
+  if (pref === 'show') return 'ignore'
+  return pref
+}