correct 'edit' button of journal list

app/assets/javascripts/desktop/journal_pages.js.erb

@@ -50,7 +50,7 @@ orbitDesktop.prototype.initializeJournalPapers = function(target,url,cache){ //
           return false;
         })
 
-         $("div[container=true]").on("click",".journal_paper_edit",function(){
+        $("div[container=true]").unbind("click").on("click",".journal_paper_edit",function(){
             $.ajax({
               url : $(this).attr("href"),
               type : "get",