Fix "Show more" URL on paginated threads for remote statuses (#7285)

* Fix URL of "Show more" link in paginated threads (ancestors side)

Increase item limits in threads

Fix #7268

* Fix "Show more" link in paginated threads (descendants side)

app/controllers/stream_entries_controller.rb

@@ -23,6 +23,7 @@ class StreamEntriesController < ApplicationController
           skip_session!
           expires_in 3.minutes, public: true
         end
+
         render xml: OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.entry(@stream_entry, true))
       end
     end