link_to event/staff/proposal page from admin/user

event/proposal page can be viewed from the submitters only

Author: amatsuda

app/views/admin/users/show.html.haml

@@ -24,7 +24,7 @@
           - talks.each do |proposal|
             %tr
               %td= link_to event.name, event
-              %td= link_to proposal.title, [proposal.event, proposal]
+              %td= link_to proposal.title, [proposal.event, :staff, proposal]
               %td= proposal.state
               %td= truncate(proposal.abstract, length: 80)