Updated Explore,Group,GroupCollection timeline controllers unauth result limits

• Updated:
- Explore,Group,GroupCollection timeline controllers unauth result limits to be max 2 pages (group still empty for now)
- Max limit to be 25 (for everything, unless provided default) in BaseController

app/controllers/api/v1/timelines/group_collection_controller.rb

@@ -71,7 +71,8 @@ class Api::V1::Timelines::GroupCollectionController < Api::BaseController
         FeedManager.instance.filter?(:home, status, current_account.id)
       }
     else
-      SortingQueryBuilder.new.call(@sort_type, @groupIds, params[:page])
+      page = [params[:page].to_i.abs, MIN_UNAUTHENTICATED_PAGES].min
+      SortingQueryBuilder.new.call(@sort_type, @groupIds, page)
     end
   end