Fix setting params from previous search

THe options format has changed, this code needs to use the new
data structure. Old option formats are converted to the new one when
booting, so this works for everybody

Author: tadast

lib/sequenceserver/routes.rb

@@ -298,7 +298,7 @@ def update_searchdata_from_job(searchdata)
       # the user hits the back button. Thus we do not test for empty string.
       method = job.method.to_sym
       if job.advanced && job.advanced !=
-                         searchdata[:options][method][:default].join(' ')
+                         searchdata.dig(:options, method, :default, :attributes).to_a.join(' ')
         searchdata[:options] = searchdata[:options].deep_copy
         searchdata[:options][method]['last search'] = [job.advanced]
       end