streams: Fix setting values passed in never subbed dicts.

This commit fixes the code to pass AnonymousSettingGroupDict
value instead of group ID when the setting is set to anonymous
groups in never subscribred streams subscription dicts.

zerver/lib/subscription_info.py

@@ -237,9 +237,9 @@ def build_stream_dict_for_sub(
 def build_stream_dict_for_never_sub(
     raw_stream_dict: RawStreamDict,
     recent_traffic: dict[int, int] | None,
+    setting_groups_dict: dict[int, int | AnonymousSettingGroupDict],
 ) -> NeverSubscribedStreamDict:
     is_archived = raw_stream_dict["deactivated"]
-    can_remove_subscribers_group_id = raw_stream_dict["can_remove_subscribers_group_id"]
     creator_id = raw_stream_dict["creator_id"]
     date_created = datetime_to_timestamp(raw_stream_dict["date_created"])
     description = raw_stream_dict["description"]
@@ -260,13 +260,17 @@ def build_stream_dict_for_never_sub(
     else:
         stream_weekly_traffic = None
 
+    can_remove_subscribers_group_value = setting_groups_dict[
+        raw_stream_dict["can_remove_subscribers_group_id"]
+    ]
+
     # Backwards-compatibility addition of removed field.
     is_announcement_only = raw_stream_dict["stream_post_policy"] == Stream.STREAM_POST_POLICY_ADMINS
 
     # Our caller may add a subscribers field.
     return NeverSubscribedStreamDict(
         is_archived=is_archived,
-        can_remove_subscribers_group=can_remove_subscribers_group_id,
+        can_remove_subscribers_group=can_remove_subscribers_group_value,
         creator_id=creator_id,
         date_created=date_created,
         description=description,
@@ -566,7 +570,9 @@ def gather_subscriptions_helper(
         is_public = not raw_stream_dict["invite_only"]
         if is_public or user_profile.is_realm_admin:
             slim_stream_dict = build_stream_dict_for_never_sub(
-                raw_stream_dict=raw_stream_dict, recent_traffic=recent_traffic
+                raw_stream_dict=raw_stream_dict,
+                recent_traffic=recent_traffic,
+                setting_groups_dict=setting_groups_dict,
             )
 
             never_subscribed.append(slim_stream_dict)

zerver/lib/types.py

@@ -220,7 +220,7 @@ class SubscriptionStreamDict(TypedDict):
 
 class NeverSubscribedStreamDict(TypedDict):
     is_archived: bool
-    can_remove_subscribers_group: int
+    can_remove_subscribers_group: int | AnonymousSettingGroupDict
     creator_id: int | None
     date_created: int
     description: str