Ensure preference overrides cause re-renders (#8724)

* make sure request is fetched before returning true

* Ensure preferences object skips equality checks if overridden

---------

Co-authored-by: Eric Bailey <git@esb.lol>
(cherry picked from commit 41998c59b5)

src/state/queries/preferences/index.ts

@@ -77,9 +77,12 @@ export function usePreferencesQuery() {
       (data: UsePreferencesQueryResponse) => {
         const isUnderage = (data.userAge || 0) < 18
         if (isUnderage || isAgeRestricted) {
-          data.moderationPrefs = makeAgeRestrictedModerationPrefs(
+          data = {
-            data.moderationPrefs,
+            ...data,
-          )
+            moderationPrefs: makeAgeRestrictedModerationPrefs(
+              data.moderationPrefs,
+            ),
+          }
         }
         return data
       },