Change blocking/blockers queries to use index

lib/pleroma/notification.ex

@@ -138,7 +138,7 @@ defp exclude_blocked(query, user, opts) do
     blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
 
     query
-    |> where([n, a], a.actor not in ^blocked_ap_ids)
+    |> where([n, a], fragment("not (? && ?)", [a.actor], ^blocked_ap_ids))
     |> FollowingRelationship.keep_following_or_not_domain_blocked(user)
   end
 
@@ -149,7 +149,7 @@ defp exclude_blockers(query, user) do
       blocker_ap_ids = User.incoming_relationships_ungrouped_ap_ids(user, [:block])
 
       query
-      |> where([n, a], a.actor not in ^blocker_ap_ids)
+      |> where([n, a], fragment("not (? && ?)", [a.actor], ^blocker_ap_ids))
     end
   end
 

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1035,7 +1035,7 @@ defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
     from(
       [activity, object: o] in query,
       # You don't block the author
-      where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
+      where: fragment("not (? && ?)", [activity.actor], ^blocked_ap_ids),
 
       # You don't block any recipients, and didn't author the post
       where:
@@ -1099,7 +1099,7 @@ defp restrict_blockers_visibility(query, %{blocking_user: %User{} = user}) do
       from(
         activity in query,
         # The author doesn't block you
-        where: fragment("not (? = ANY(?))", activity.actor, ^blocker_ap_ids),
+        where: fragment("not (? && ?)", [activity.actor], ^blocker_ap_ids),
 
         # It's not a boost of a user that blocks you
         where: