fix rating range for non-pool "new opponent" games

app/controllers/Setup.scala

@@ -194,7 +194,7 @@ final class Setup(
               _ ?? { game =>
                 for {
                   blocking <- ctx.userId ?? env.relation.api.fetchBlocking
-                  hookConfig    = lila.setup.HookConfig.default updateFrom game
+                  hookConfig    = lila.setup.HookConfig.default withRatingRange get("rr") updateFrom game
                   sameOpponents = game.userIds
                   hookResult <-
                     processor

modules/rating/src/main/RatingRange.scala

@@ -37,7 +37,8 @@ object RatingRange {
       if min < max
     } yield RatingRange(min, max)
 
-  def orDefault(from: String) = apply(from) | default
+  def orDefault(from: String)         = apply(from) | default
+  def orDefault(from: Option[String]) = from.flatMap(apply) | default
 
   def noneIfDefault(from: String) =
     if (from == default.toString) none

modules/setup/src/main/HookConfig.scala

@@ -102,6 +102,8 @@ case class HookConfig(
       days = game.daysPerTurn | days,
       mode = game.mode
     )
+
+  def withRatingRange(str: Option[String]) = copy(ratingRange = RatingRange orDefault str)
 }
 
 object HookConfig extends BaseHumanConfig {

ui/lobby/src/boot.js

@@ -32,7 +32,7 @@ module.exports = function(cfg, element) {
   onFirstConnect = function() {
     var gameId = getParameterByName('hook_like');
     if (!gameId) return;
-    $.post('/setup/hook/' + lichess.sri + '/like/' + gameId);
+    $.post(`/setup/hook/${lichess.sri}/like/${gameId}?rr=${lobby.setup.ratingRange() || ''}`);
     lobby.setTab('real_time');
     history.replaceState(null, null, '/');
   },

ui/lobby/src/setup.ts

@@ -11,6 +11,8 @@ export default class Setup {
     ai: FormStore;
   }
 
+  ratingRange = () => this.stores.hook.get()?.ratingRange;
+
   constructor(makeStorage: (name: string) => LichessStorage, readonly root: LobbyController) {
     this.stores = {
       hook: makeStore(makeStorage('lobby.setup.hook')),