fixup to introduction of the hard-coding

Author: jonodrew

app/views/admin/member_search/index.html.haml

@@ -11,7 +11,7 @@
     .col.col-md-10.col-lg-8
       - if @members.present?
         %h2 Select Member 
-        = simple_form_for :member_pick, url: results_admin_member_search_index_path, method: :get do |f|
+        = simple_form_for :member_pick, url: @callback_url, method: :get do |f|
           .row 
             .col-12.col-md-6
             = f.label :members, 'Member Name'