adds selected option via params for helper methods

app/helpers/officing_helper.rb

@@ -13,7 +13,7 @@ module OfficingHelper
     officer_assignments.each do |oa|
       options << ["#{oa.booth_assignment.booth.name}", oa.id]
     end
-    options_for_select(options)
+    options_for_select(options, params[:oa])
   end
 
   def recount_to_compare_with_final_recount(final_recount)

app/helpers/polls_helper.rb

@@ -25,7 +25,7 @@ module PollsHelper
     (poll.starts_at.to_date..poll.ends_at.to_date).each do |date|
       options << [l(date, format: :long), l(date)]
     end
-    options_for_select(options)
+    options_for_select(options, params[:d])
   end
 
   def poll_final_recount_option(poll)