Fix connection recycling pushing symbols to connection pool (#37674)

app/lib/connection_pool/shared_timed_stack.rb

@@ -70,8 +70,8 @@ class ConnectionPool::SharedTimedStack
     if @created == @max && !@queue.empty?
       throw_away_connection = @queue.pop
       @tagged_queue[throw_away_connection.site].delete(throw_away_connection)
-      @create_block.call(preferred_tag)
       throw_away_connection.close
+      @create_block.call(preferred_tag)
     elsif @created != @max
       connection = @create_block.call(preferred_tag)
       @created += 1